diff --git a/.gitattributes b/.gitattributes
index 2bf55f4d14f83a31d07982a11ec24470fa11f217..9c14ebbefd519b0e48df2a2a256336f0d381a8aa 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -11485,3 +11485,42 @@ train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/
 train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00031.mds filter=lfs diff=lfs merge=lfs -text
 train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00011.mds filter=lfs diff=lfs merge=lfs -text
 train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00020.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00015.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00017.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00029.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00004.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00007.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00016.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00012.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00000.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00026.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00030.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00021.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00019.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00008.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00003.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00017.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00024.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00015.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00027.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00020.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00000.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00024.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00007.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00010.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00019.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00030.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00012.mds filter=lfs diff=lfs merge=lfs -text
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00000.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00000.mds
new file mode 100644
index 0000000000000000000000000000000000000000..e27977aeef8c0dfea32831214bbe329630dd8191
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00000.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8e73226ab1ccca925982a2f52e26e20b298144547bd10d7e586b7b4ef5b3c89b
+size 67107396
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds
new file mode 100644
index 0000000000000000000000000000000000000000..4c532f77fd10184faf7e9bcee00ed5c76de2f7e3
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1de8ed32316c928393e3ecc88ff84bcec986ae66f5bf3b1a773653379dda46fc
+size 67108263
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds
new file mode 100644
index 0000000000000000000000000000000000000000..4b315a7a7c25bfa78173bf855778bab5bed6c6a5
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dcc2ca7f101adb80e6822e672f1ed8ac16fbfe5b5cd1a510abfdbbd279f9b88b
+size 67108527
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00003.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00003.mds
new file mode 100644
index 0000000000000000000000000000000000000000..0a345ecd2f923ae5c4e4e267121d4d6828c55226
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00003.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0a1a812f9a5f360fc0b835e6dd76e7486d2bbbaf75a39c875a277ce175b47af4
+size 67108643
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00004.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00004.mds
new file mode 100644
index 0000000000000000000000000000000000000000..f4a99321421aaa89ef92bd310833ec25184e21e7
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00004.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:289bfaf0bd276b57c3f7a16c0fa0430058de09bf7603cfc044c5362b72e91a00
+size 67108414
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds
new file mode 100644
index 0000000000000000000000000000000000000000..3f4730b290e21ba328235b0e4ca4d24443853d3b
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d70630714195287db6ab09d001eab2672e0ae6d5b9d45eba39610c619a7cd4af
+size 67106983
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00007.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00007.mds
new file mode 100644
index 0000000000000000000000000000000000000000..b2fc9e57c39ce49d61c78ea3498f73711764f2be
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00007.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b9f280e2b8c108f3714947cf58be3aef4c66d955dd4e9da0241a25496eaeb9ee
+size 67107870
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00008.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00008.mds
new file mode 100644
index 0000000000000000000000000000000000000000..ebc667fc35e009d32c04fe319cb7e459d24413ff
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00008.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7f5c536dcf28f6c183fa9a2a87b00778711efef287b90e82f25360e7e6a654fa
+size 67106755
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds
new file mode 100644
index 0000000000000000000000000000000000000000..bca47886240241911f2a9ec4d8d6bd21cd88644d
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:687f11bb4facae66aca162b94ede630d70044f8fb1d84c4b4db4c10d2eccaac1
+size 67108512
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00012.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00012.mds
new file mode 100644
index 0000000000000000000000000000000000000000..f688420ad6f470139ca8c703140c3bb2ab68f30d
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00012.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8b21b9776ae4372559419db7fe2f685eee0a9257acd8194092634757602b2a21
+size 67107916
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds
new file mode 100644
index 0000000000000000000000000000000000000000..8e1609ce009bfe85a3ebf01c8d402302b0a268a0
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e804360c5907be303911a0a733a051fe9d69776df725dd7e6a645859432925cb
+size 67107624
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00015.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00015.mds
new file mode 100644
index 0000000000000000000000000000000000000000..ef9edf2d694489ac44528f29a7472cb517d1cfd6
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00015.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9382d3dad560165dd1e60ee3ab72e09678ee6afb60631d55ccb3b8e040f0b26c
+size 67108640
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00016.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00016.mds
new file mode 100644
index 0000000000000000000000000000000000000000..f3835b9bce343cec4118dd0c6c4dde9ad2c8fb23
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00016.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7578af014a21415cf17e89039db56264c8221896a0284d6dd541b6e6b409cba0
+size 67107426
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00017.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00017.mds
new file mode 100644
index 0000000000000000000000000000000000000000..f43ac67f8c1a4c5998e3beb2f7d23e84f09bf37f
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00017.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ad2ad5f2bc3eb496622caa1701cbd65028ec20486ea78a700d56fb0ac31c2237
+size 67108775
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00019.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00019.mds
new file mode 100644
index 0000000000000000000000000000000000000000..cb04cf10f91e6d1f682c5f2e22730d6ae3145265
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00019.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8f7363264e130ad1a3009117540b9718c0e32bbbaef8b468ba7d78ea57008cff
+size 67107178
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00021.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00021.mds
new file mode 100644
index 0000000000000000000000000000000000000000..815f55b9e47e8f33827ec8515f9fbdd54a87a5c9
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00021.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3b928363ce9c3059f9b159d429bd918bfdd7aa183370399f369744ccf33f9f70
+size 67108859
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds
new file mode 100644
index 0000000000000000000000000000000000000000..49fec8315bd3776696234cc013143e3fdabc99b1
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:88b0f51ef11991a6c00b0d1dd6f3ae80ef2037623e9fc3d0815a6f3e8746832a
+size 67108630
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00024.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00024.mds
new file mode 100644
index 0000000000000000000000000000000000000000..8a23db07a3e151cecd7cc728fd700195e26ee8cf
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00024.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:75594cfbf7ba0e3c540f02d3171fbf968d5a649295ebf9305a74d8d4b698e6d1
+size 67107971
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00026.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00026.mds
new file mode 100644
index 0000000000000000000000000000000000000000..19236cccd1885059f8602600ac762bd1665c7e08
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00026.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7ad5634f8a750f487f597cec351a2ea18eecb85ad6516ca737ba914553c561b3
+size 67108726
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds
new file mode 100644
index 0000000000000000000000000000000000000000..99f4c52eba3a9587c9658948a3ce59d49344b9f6
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4a19b17537e5cfe920cb9e9e68991133541c4a89604ad1ce56079c2bd46da8a1
+size 67108460
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00029.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00029.mds
new file mode 100644
index 0000000000000000000000000000000000000000..521235a241b2d29115b048390b72bf6d73bdc645
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00029.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:39771c8d204226ff0e35111b760faba5798422c655e3633afcf851a7411109c7
+size 67108823
diff --git a/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00030.mds b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00030.mds
new file mode 100644
index 0000000000000000000000000000000000000000..967ab43ed5a28cc4e4b5330d97df170366799423
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0132-tokenized-chunked-1024-512-128-backfill-nodups/shard.00030.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ed53abaa146ae6cdf50fa6a10abef815bba2d45831403c6b48fb95072c31cf16
+size 67108022
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00000.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00000.mds
new file mode 100644
index 0000000000000000000000000000000000000000..47d193318dea38f2da49d3e22e8ab9ccf6163a39
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00000.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a779dc91632e9926ea49788fa842dfb5d9be024af7e48eacfc2ace83b12cf083
+size 67108206
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds
new file mode 100644
index 0000000000000000000000000000000000000000..b0fbed143755a5ef68548fb7daabd46ebf787d54
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2b99ceec1ec1067d3bf63b6ef9734f9a268983f73ae69fa45b02827696cf8c02
+size 67108009
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds
new file mode 100644
index 0000000000000000000000000000000000000000..112d0bde9a3192913b2d154f334400a2fc4cffe1
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f787d1c043ed26c6fc05f37715617cec45858ca3752b8df7753329aa0dce677e
+size 67108738
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds
new file mode 100644
index 0000000000000000000000000000000000000000..8a703dfebb490f71267a19a2e3895b803808c797
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b056fa2a12f31a64c41e5f7779fcbe6d4820056be81cee9d8ae74513a075ca12
+size 67106852
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00007.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00007.mds
new file mode 100644
index 0000000000000000000000000000000000000000..b9a3a4802b1e8492089f048ff250fa06c1d74ea8
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00007.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6f4007ce529a537900a96c196ff23b7e926b1b4526bad9ad5b2ead0b1577b2bc
+size 67108438
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds
new file mode 100644
index 0000000000000000000000000000000000000000..065e502fa0f77edd796719bbf61d705deffbf22e
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0812c90ed5520fd1df43105cb40be9a9f667b0f1725570a0560942280289ac1a
+size 67108638
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00010.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00010.mds
new file mode 100644
index 0000000000000000000000000000000000000000..d70ca1c4721ef63529fa231e182f994a0b4b3942
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00010.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1e82929098d9e53319c8e870404e97c8be99a27a8b6b41cb265c73aaf4c5802c
+size 67107485
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00012.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00012.mds
new file mode 100644
index 0000000000000000000000000000000000000000..8ccbbef8fb17aa1a967084ef2ee3ce0b47a8d0b6
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00012.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c3a377142fa2a2ba8f246eb3f244da5e61d829164424815d51c8c3469e7b3f8d
+size 67108007
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds
new file mode 100644
index 0000000000000000000000000000000000000000..7bf358f7788904b2c5f4a38e656b1b91955a2314
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:82e0b0f7fb941c9b7e50df35ef27da7203ff8e05cff2d51ddf8aa85554fa8581
+size 67107557
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00015.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00015.mds
new file mode 100644
index 0000000000000000000000000000000000000000..092051864d3a2a41a63598fe6c6dc63f58368ab4
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00015.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b4429c5d42d87212770b3314472169f4d7a90329bdb86b62e18d80d72c009ec
+size 67108539
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00017.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00017.mds
new file mode 100644
index 0000000000000000000000000000000000000000..1161bd53b7f4c54008e0f9169a6c65c8cea0d955
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00017.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c183879ae6af57813b147c5e25cc31c61ad7f48295d34cdadd5968eb410e525
+size 67108028
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00019.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00019.mds
new file mode 100644
index 0000000000000000000000000000000000000000..cd508a2363920c11052ddbca343db9a0505c9d13
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00019.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7e34c70f968f57acdbcaafc1a298729c82397f19e0297fb2d60ff2ab6b463cba
+size 67108398
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00020.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00020.mds
new file mode 100644
index 0000000000000000000000000000000000000000..7bc3ec3cf808c84410741b0ed123a5871cc3f9d3
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00020.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bb2ef1aec7d31faece67e5385ebbb095a6f4b9f1e7768c4a657c80c086722fe6
+size 67107250
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00024.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00024.mds
new file mode 100644
index 0000000000000000000000000000000000000000..36587bba66b368746198a8a25a20cd7596f0b82c
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00024.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ce086c9634d6d15ebdba9e9b199457ee25fc8301c1e2101067b889f4a968084c
+size 67108530
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00027.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00027.mds
new file mode 100644
index 0000000000000000000000000000000000000000..47376186303a093565e1724150aed48a4c50d2f6
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00027.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a6cc9cffa75c17916ad5afd1a6a106f2cbf05da394a93a24ceac418ba8e1ce4
+size 67106809
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds
new file mode 100644
index 0000000000000000000000000000000000000000..3be27c6a9ce1f41c0675d91ff9eb39e76a5a7544
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:266ac48aaecb91f9e054fa14c33a7866aa6e2eec911e8c8f5d15521d77e17f38
+size 67107926
diff --git a/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00030.mds b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00030.mds
new file mode 100644
index 0000000000000000000000000000000000000000..441432ed445c5b2e19406a61f0c90d0e908393f3
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0247-tokenized-chunked-1024-512-128-backfill-nodups/shard.00030.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e075515d03682db2f3d551524b95593045f3abd0bc0a70903868de32ad43def8
+size 38692880
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10148-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10148-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..4a3828535b72568310c293edf285cb98cc6ad924
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10148-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108375, "hashes": {}}, "samples": 42852, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47615307, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 19227176, "hashes": {}}, "samples": 12432, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 13595330, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10148-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10148-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..583eaac97ef69be6baa4aedfc4f4652e2249da85
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10148-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 41456591,
+  "num_truncated_tokens": 41421446
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10336-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10336-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..e7cc18615b2361ea6d2389d7d519576391594be5
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10336-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107830, "hashes": {}}, "samples": 42637, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47611755, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 21963267, "hashes": {}}, "samples": 13872, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 15600148, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10336-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10336-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..429e88bc79408876a17ef077c622c1d9200e30f1
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_10336-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 42786304,
+  "num_truncated_tokens": 42749133
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_12991-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_12991-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..10819036a5921a5cc960838762ecff6fcbeac305
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_12991-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108421, "hashes": {}}, "samples": 43852, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47555550, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 12114861, "hashes": {}}, "samples": 8009, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8601589, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_12991-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_12991-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..62060d957cb061112d8492a31ac1228fd96999cd
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_12991-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38006585,
+  "num_truncated_tokens": 37976598
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14105-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14105-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..dee180fcf915e518d89dd23dc420e22aaa37986e
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14105-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107096, "hashes": {}}, "samples": 44148, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47896968, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 10704360, "hashes": {}}, "samples": 7229, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7657719, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14105-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14105-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..83f68ec3309963b36e9a89d7a0464497eec0b43c
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14105-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37315816,
+  "num_truncated_tokens": 37286814
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_16326-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_16326-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..45401675bf78923c04d0afbd363a8ddab1e943d5
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_16326-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108292, "hashes": {}}, "samples": 43633, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 48074588, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 13594054, "hashes": {}}, "samples": 9018, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 9672435, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_16326-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_16326-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..0f7151f1d513fa457b056150e3ae5df75693eab5
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_16326-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38721559,
+  "num_truncated_tokens": 38689835
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..25b17c3b40af7c70f04b4013d3e32d66b15413fa
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107943, "hashes": {}}, "samples": 42784, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47504560, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 19055728, "hashes": {}}, "samples": 12419, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 13555431, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..2dea037d76ccc6787f020777af6f310ba0be4ef1
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 41373165,
+  "num_truncated_tokens": 41337767
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20024-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20024-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..eab414aba04958e7749f9d1c7a6c88279d142404
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20024-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107202, "hashes": {}}, "samples": 43710, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 48109904, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 15485689, "hashes": {}}, "samples": 9722, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 11055885, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20024-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20024-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..d6953f063ef917ba5b7cb2cd3fff5730ba1976d6
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20024-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 39642544,
+  "num_truncated_tokens": 39610182
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20558-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20558-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..4599b40628cc5c2960a058c561db3a7a9121b0c9
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20558-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108705, "hashes": {}}, "samples": 44125, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47723441, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 11933895, "hashes": {}}, "samples": 7804, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8516571, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20558-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20558-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..1d643f04a93e3314afebb5e1a1c1dc0af84678e5
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20558-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37914189,
+  "num_truncated_tokens": 37884467
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21364-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21364-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..013cb014cae4a8f4566fc06c8fc116b42a2939a7
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21364-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107215, "hashes": {}}, "samples": 44472, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47855965, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 9986277, "hashes": {}}, "samples": 6610, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7150132, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21364-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21364-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..73b39b35bd71fc2101546696ca61b2df5cc7c0ad
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21364-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36965979,
+  "num_truncated_tokens": 36937142
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21572-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21572-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..6b0352510427b8cbfd34c216df6e43b9b9bb40aa
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21572-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107576, "hashes": {}}, "samples": 43863, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 48100440, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 11907530, "hashes": {}}, "samples": 8105, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8533350, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21572-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21572-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..7549257e7f665d5a3bbeeccbd027edfdd17a985a
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_21572-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37899229,
+  "num_truncated_tokens": 37868763
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_22935-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_22935-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..00ef32715b071f3e9c43730b986066fd9b881df2
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_22935-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108860, "hashes": {}}, "samples": 44122, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47788046, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 11584715, "hashes": {}}, "samples": 7620, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8242607, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_22935-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_22935-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..011d2e525733554dccc5a7845d6bcc24ce19cb4f
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_22935-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37745460,
+  "num_truncated_tokens": 37716311
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25172-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25172-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..46b4a7d90b072e7bd549b0bd7018ca806203d16e
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25172-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107005, "hashes": {}}, "samples": 42322, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47552967, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 22953520, "hashes": {}}, "samples": 14564, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 16270882, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25172-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25172-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..201ed35ac3512ebe588261d65f74d296d36377c0
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25172-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 43269308,
+  "num_truncated_tokens": 43231495
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25569-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25569-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..5028f499aca7c0526be3aeb247660864ec9e2351
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25569-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108684, "hashes": {}}, "samples": 43930, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47945159, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 13713639, "hashes": {}}, "samples": 8971, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 9811731, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25569-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25569-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..e5e1f40985dd60e12136622f729b667d3e60a2a7
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25569-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38773950,
+  "num_truncated_tokens": 38741410
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25633-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25633-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..32c26bc8503b349030f9db238705dc38257f8461
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25633-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107812, "hashes": {}}, "samples": 44952, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47936725, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 7563624, "hashes": {}}, "samples": 5031, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 5414048, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25633-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25633-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..8a53b33930c6c8b29e56534a1ec63f4480ff05f3
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_25633-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 35789052,
+  "num_truncated_tokens": 35761615
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_28508-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_28508-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..627fccd226655a9c97edf9eaca64777c7b9ef01e
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_28508-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108662, "hashes": {}}, "samples": 42318, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47693336, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 23189154, "hashes": {}}, "samples": 14733, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 16418639, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_28508-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_28508-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..774a22ddc07c6c33af90e17994ee278d061cedb6
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_28508-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 43382826,
+  "num_truncated_tokens": 43344546
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_31458-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_31458-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..bf04cf808f81fdd9508d59a225690feb78ab754f
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_31458-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108533, "hashes": {}}, "samples": 44217, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47526103, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 9764422, "hashes": {}}, "samples": 6417, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 6915163, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_31458-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_31458-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..e95bea519a49bc29dc2cb5a82c1245ca439fce0e
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_31458-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36869341,
+  "num_truncated_tokens": 36842033
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46695-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46695-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..43e5554de105c476cc31b631b7a3a42e903ff25c
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46695-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108389, "hashes": {}}, "samples": 44018, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 48092957, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 11219083, "hashes": {}}, "samples": 7547, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8045679, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46695-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46695-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..c89739239b8c59e387b0bc3cab0e47b18e8302c7
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46695-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37567811,
+  "num_truncated_tokens": 37538165
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46810-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46810-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..fa5564138c07f4c89cf744262b511492a0fce4b5
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46810-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107621, "hashes": {}}, "samples": 43214, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47570338, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 17442889, "hashes": {}}, "samples": 11280, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 12389580, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46810-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46810-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..bcfb23cfff7189d66c4ce092bb42702ecd044f3b
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_46810-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 40588678,
+  "num_truncated_tokens": 40554077
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_48635-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_48635-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..29503bba3855b8b119e633b8f435814c0b55379b
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_48635-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107446, "hashes": {}}, "samples": 43547, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 48133341, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 12223089, "hashes": {}}, "samples": 8368, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8758809, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_48635-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_48635-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..24a688c041f2525a1d355cb73a54ae4099c0d51d
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_48635-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38058442,
+  "num_truncated_tokens": 38027775
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_4887-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_4887-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..ef163cc6241706229aabe8d02dc6eac5b9490d07
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_4887-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108001, "hashes": {}}, "samples": 43896, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47504320, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 11916592, "hashes": {}}, "samples": 7792, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8403900, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_4887-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_4887-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..1d6a3985af9785af8510ea2c2d081084b1a61e31
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_4887-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37912551,
+  "num_truncated_tokens": 37883337
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_51530-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_51530-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..90171887b68fcb8262cf6e7f7127ef419ab24d4b
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_51530-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107146, "hashes": {}}, "samples": 43887, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47699903, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 13220242, "hashes": {}}, "samples": 8659, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 9428174, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_51530-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_51530-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..4e3943f6604370c05d7a0ad5256be46ee32301ff
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_51530-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38537506,
+  "num_truncated_tokens": 38506401
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_52493-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_52493-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..8b1b8a5e1404a05e4a28d193591fa50f1427e01e
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_52493-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107677, "hashes": {}}, "samples": 43692, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47329592, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 14432447, "hashes": {}}, "samples": 9376, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 10208830, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_52493-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_52493-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..d49b7daa7af60b9fafbbd72d1223b00be5106ede
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_52493-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 39127624,
+  "num_truncated_tokens": 39095601
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_56426-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_56426-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..eea52e361b49eada7d13a6ab2980e7f5622c05be
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_56426-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107409, "hashes": {}}, "samples": 43989, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47627286, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 11298767, "hashes": {}}, "samples": 7425, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8036486, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_56426-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_56426-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..a7ffdd730887ebd16957a50040268c339368fc1b
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_56426-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37611842,
+  "num_truncated_tokens": 37582745
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_59633-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_59633-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..8ba04e72c287562f472edc5b668a36039ada43e6
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_59633-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107770, "hashes": {}}, "samples": 43926, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47596168, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 11154451, "hashes": {}}, "samples": 7326, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7936433, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_59633-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_59633-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..93d5583c4e7231b6b1d9f3c73be1de371b88be0f
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_59633-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37544736,
+  "num_truncated_tokens": 37516153
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_63407-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_63407-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..ef5bccbd224d595eb24858cc7aadd02e5568dc80
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_63407-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107165, "hashes": {}}, "samples": 43009, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47498786, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 15616876, "hashes": {}}, "samples": 10301, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 11136839, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_63407-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_63407-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..42d90d388152a35221e481ea44012c31db024a8b
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_63407-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 39711852,
+  "num_truncated_tokens": 39679889
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_65605-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_65605-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..955b57d6ae2332387ef4a97f9cd244db945abba8
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_65605-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108287, "hashes": {}}, "samples": 44004, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47952553, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 12611033, "hashes": {}}, "samples": 8184, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 9016326, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_65605-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_65605-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..fea9247f0804aedf32bcb708a6ad492baf7d4431
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_65605-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38244451,
+  "num_truncated_tokens": 38213575
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_68802-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_68802-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..00097e66ab342cc28f3195d1dd8d20fa2ef8732a
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_68802-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108570, "hashes": {}}, "samples": 43531, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 48004748, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 14698561, "hashes": {}}, "samples": 9588, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 10563143, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_68802-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_68802-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..b4dc4a9cfb8d5f3daeae1137117cd926ae526105
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_68802-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 39259437,
+  "num_truncated_tokens": 39227470
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_70949-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_70949-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..ce088b5e09dfeb3983eb7deb98737362d5229435
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_70949-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108526, "hashes": {}}, "samples": 44140, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47700788, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 12295855, "hashes": {}}, "samples": 7943, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8739444, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_70949-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_70949-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..bc814bfbabd4bd797f10f56340be7d076c4e01e8
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_70949-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38090341,
+  "num_truncated_tokens": 38060253
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73287-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73287-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..1880118d4fb00be9d801bcd908710a30deacfb8a
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73287-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108001, "hashes": {}}, "samples": 43957, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47736069, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 12448449, "hashes": {}}, "samples": 8225, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8878698, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73287-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73287-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..c066c6cd5abbf10c2a37f67864d156d6ac66066a
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73287-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38163317,
+  "num_truncated_tokens": 38132933
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_7495-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_7495-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..d799ad51b53c41cf3aabbbfbb1f426f6062bc6db
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_7495-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108640, "hashes": {}}, "samples": 43609, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47678463, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 16340117, "hashes": {}}, "samples": 10571, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 11583430, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_7495-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_7495-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..d4038252026d5586ed7d12859a62fc255345f8fc
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_7495-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 40047570,
+  "num_truncated_tokens": 40013820
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75188-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75188-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..cf53a641a07a0acb688b6430758ceb2191987464
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75188-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107351, "hashes": {}}, "samples": 43978, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47784780, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 13048746, "hashes": {}}, "samples": 8544, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 9293168, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75188-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75188-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..d48ca4857b6aba0e70caa0bfb7d3e14749681168
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75188-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38452611,
+  "num_truncated_tokens": 38421354
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75934-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75934-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..e8374884cfc86c6eee079f26c48aeaca63d30681
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75934-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108560, "hashes": {}}, "samples": 44059, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47720478, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 11432303, "hashes": {}}, "samples": 7466, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8136284, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75934-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75934-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..00b2a3e2c9d68ef91fe3e21d2c75a9c8c6f8734a
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_75934-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37675781,
+  "num_truncated_tokens": 37646110
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80424-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80424-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..bbc4882d47481872f958f21583a6bee97c518e60
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80424-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67108496, "hashes": {}}, "samples": 42801, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47506609, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 20562949, "hashes": {}}, "samples": 13072, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 14592658, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80424-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80424-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..8468eabe63dda51e0fc4a2ec708c83ad64cbe897
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80424-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 42106167,
+  "num_truncated_tokens": 42069789
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_81236-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_81236-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..7379efe7470e098a34a7ec9796edf8f7841eadd0
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_81236-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 43392852,
+  "num_truncated_tokens": 43354575
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_89212-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_89212-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..975da28afc603b94b2daa9043864273ba971cb0f
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_89212-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107125, "hashes": {}}, "samples": 42917, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47883083, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 18804961, "hashes": {}}, "samples": 12000, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 13414025, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_89212-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_89212-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..b42972499eb94e68fd14658afad3ab9f068dc636
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_89212-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 41256058,
+  "num_truncated_tokens": 41220763
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90189-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90189-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..fe2e5c3c789d3867b65893771b705e9a29204003
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90189-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107759, "hashes": {}}, "samples": 43545, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 48021454, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 14485477, "hashes": {}}, "samples": 9433, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 10373633, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90189-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90189-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..9890b345ab0e75419b3a04815651c23878850b58
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90189-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 39156867,
+  "num_truncated_tokens": 39124682
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90415-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90415-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..91bb38231cf8be4b7169c7ca36dc7c8acf687217
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90415-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107905, "hashes": {}}, "samples": 42609, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47574465, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 22849350, "hashes": {}}, "samples": 14403, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 16231099, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90415-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90415-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..d7c0edd6ad7bc7a599733cd3e812d8d5cb3591a6
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_90415-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 43213831,
+  "num_truncated_tokens": 43175894
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_98200-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_98200-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..e8d6589263368d170e297a27c496ff251833eb86
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_98200-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
+{"shards": [{"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00000.mds", "bytes": 67107677, "hashes": {}}, "samples": 44136, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47847865, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00001.mds", "bytes": 10653511, "hashes": {}}, "samples": 7212, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7650926, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_98200-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_98200-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..023af5625ccc763ccceed0dcb4cafab9b035b4b4
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_98200-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37291539,
+  "num_truncated_tokens": 37262388
+}
\ No newline at end of file