diff --git a/.gitattributes b/.gitattributes
index 16ee470e1b0ba19ab050957e9ae8e68dc6c3a9a5..02890b84f17ab9eae226161b80dae9f6445c0135 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -11083,3 +11083,32 @@ train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/
 train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00020.mds filter=lfs diff=lfs merge=lfs -text
 train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00019.mds filter=lfs diff=lfs merge=lfs -text
 train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00031.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00005.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00040.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00034.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00014.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00025.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00037.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00036.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00038.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00034.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00004.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00011.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00031.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00016.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00035.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00029.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00032.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00021.mds filter=lfs diff=lfs merge=lfs -text
+train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00005.mds filter=lfs diff=lfs merge=lfs -text
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds
new file mode 100644
index 0000000000000000000000000000000000000000..fbcd2e1b2dd899bc4d1b22d9dd98c6e6ccf127dd
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00002.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:531131c193003ea12b2e56354934d83342679ced66815b132803cc32a4cb866b
+size 67108781
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00004.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00004.mds
new file mode 100644
index 0000000000000000000000000000000000000000..2643345a7b6e43104eb002476beabd656a03ffcb
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00004.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b7fb13f5536c9df6d53b56eee4a960fef813fdf962276cf998baff925ad8d35b
+size 67108226
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00005.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00005.mds
new file mode 100644
index 0000000000000000000000000000000000000000..d75c6e67892c846a602164198cf61899fbd8e96b
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00005.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8373ebf2c3e70682d02272181bd7484a74a117256f16eb15a6e5526eb0bb3460
+size 67107941
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds
new file mode 100644
index 0000000000000000000000000000000000000000..77a5d79b5bcfa488734ad1a9bddff9b49af46ed8
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80ec9729053b662cc9e50ceb7ed8ef3aad661e7dec6f636b63f71b97d16d9180
+size 67108689
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00011.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00011.mds
new file mode 100644
index 0000000000000000000000000000000000000000..bbbfd346a6ee60ec860ee6d005b9d7f34f93cffc
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00011.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:96885533503a8fae0f80c5eda4a2ad1cdb8b9d8df0988e60909e110b2bebe12b
+size 67106851
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds
new file mode 100644
index 0000000000000000000000000000000000000000..c734abd65fe48c633568bd4274c935fb4bb987bc
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5bc89896f6d7433438c043290c32ff1fd658384d63fca4cf922f2791f2c330d1
+size 67106906
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00016.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00016.mds
new file mode 100644
index 0000000000000000000000000000000000000000..8c575c6e5f45318e37eeb1cd2780615ee01e9dbf
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00016.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:169cea3de0000f4686c93b1396b023db483c24715de42692cc6bb01f128ef0e4
+size 67107663
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00021.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00021.mds
new file mode 100644
index 0000000000000000000000000000000000000000..8df219489de66961fcfc96ad607068b087d20db5
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00021.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1eb686abf1531f5e0d1120392a746b0d9fc427e9e3fccd04d7be8c6bb6b1a3b1
+size 67108390
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds
new file mode 100644
index 0000000000000000000000000000000000000000..f26523eae1d9b1d0ac4b31aff9e14784ecfdb08a
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b565845f85cca3a4139031a35e3f95ac37f01ac1654d209aee3e448623a94ed5
+size 67107581
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds
new file mode 100644
index 0000000000000000000000000000000000000000..c645beffb2a1a3b95a3c611d56007732290a1e5b
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9a4e9ddef542f2cfaf86a0df0cf8c3a72c9349f14685939537fca40c37001db
+size 67108307
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00029.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00029.mds
new file mode 100644
index 0000000000000000000000000000000000000000..4b7e6ee037ec737fb463c4202d0b8a1d513226e6
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00029.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a3e9773a96d412a320a120f398a454426b221ea054f2e1164db2733aac578022
+size 67108415
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00031.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00031.mds
new file mode 100644
index 0000000000000000000000000000000000000000..ef66d3d8f2deb5a0eac847fabc03f56d0b1f0ccd
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00031.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:525e1cb2aa7eb7956b4b7ad34f18546d3d0ab83ffd17cd71f824df25f2816fb9
+size 67108654
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00032.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00032.mds
new file mode 100644
index 0000000000000000000000000000000000000000..0db69e70a07c9294e0dfd9c5459e156bad7eeace
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00032.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f36d5d6f54ff363a3b38c669de70c282cb39e6c1d0b747ec98679e047b85164d
+size 67108819
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00034.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00034.mds
new file mode 100644
index 0000000000000000000000000000000000000000..2357e22c53a684804d46fe3a9164c38b0dd9a1d5
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00034.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:86497ad5c3a66ee25cb033b1357ccd08597dcb0318e60e91d09e4c90288a4f7f
+size 67108286
diff --git a/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00035.mds b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00035.mds
new file mode 100644
index 0000000000000000000000000000000000000000..5a4eacb4bf798220946a169e1b3033a505e8329d
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0117-tokenized-chunked-1024-512-128-backfill-nodups/shard.00035.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c7debebbc77eac953f8651b9ebe8219238ed2e2361f8c1e31e11a766ba082812
+size 67107309
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds
new file mode 100644
index 0000000000000000000000000000000000000000..cd675b4d2e8f9d00fa386c397ddedf8cb082d6a8
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00001.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:60a8d847d1f4a25b9cd95aa34f047266ef0ed74be02afbcf612c9a436f206b11
+size 67106969
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00005.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00005.mds
new file mode 100644
index 0000000000000000000000000000000000000000..ea97501189fb994f8054eab82248ab18eb3e2400
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00005.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4197d026bff8bbcd0463e30b7a919bc08f91a808434b2ea5294a904046eaf74e
+size 67107776
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds
new file mode 100644
index 0000000000000000000000000000000000000000..30ae0ba66748c9bfe257cf06084fb1aac6d34c67
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00006.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:99a3b09172f2141bcdfceb09ea1fe068d815f8dac36c258f072058d13656fbe0
+size 67107829
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds
new file mode 100644
index 0000000000000000000000000000000000000000..f382a2aef43ca170531e9662ba4e819b120dfd2d
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00009.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d01f4329a9d791bfd33e03c7ed99dab8cfba3dbf24d3316ceb7feff136468e5
+size 67108425
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds
new file mode 100644
index 0000000000000000000000000000000000000000..7008183a36ce6e91c0ad26b6b6800505ca3011be
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00013.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bd0bd261e241c47ea8c5dde351b3a8d5ba74ef9a973b70dc7cd437b3b5b24b59
+size 67107824
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00014.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00014.mds
new file mode 100644
index 0000000000000000000000000000000000000000..a66d922a89513e674f3809ac8ac0a475f2fd0b15
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00014.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9168dd48aaad2f711738623c55c361584294bdf2a3c254359a3f582d6cb85c0d
+size 67108066
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds
new file mode 100644
index 0000000000000000000000000000000000000000..aa7d29df24aca5cdd031e1a8e423d8e16d414e90
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00022.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:97ca4eb47705c2a8299f45e78cf26a66bcef8235e268d5946b766955c61e962b
+size 67107728
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00025.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00025.mds
new file mode 100644
index 0000000000000000000000000000000000000000..5ff25d7415fb01d33e2fecef911a8387487cffb6
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00025.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59f7b2b01034d677931d26b982c3e194fa66763b708aa0a4d4765c1a4a342d56
+size 67108157
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds
new file mode 100644
index 0000000000000000000000000000000000000000..8813a29acd5166f3c1a007d7e6a83dc249352b1d
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00028.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bdb5392eac9aa62406d65a9868a929991b348c67b9f799346701e1ba10597351
+size 67107548
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00034.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00034.mds
new file mode 100644
index 0000000000000000000000000000000000000000..85b0eefd56872da4be3065e05149e42b23cf88cb
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00034.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:be556e6d3e09f8a260618841e706f7c851a01797b8d43514d4381885689ce20c
+size 67107336
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00036.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00036.mds
new file mode 100644
index 0000000000000000000000000000000000000000..658e0ee53f12c3ff64fc139e322c42e0f1ef15ae
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00036.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ae361158dce03fb0fff246b88da80d0f72e9dc7016c910f8a58a0f9f0a41ab01
+size 67107745
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00037.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00037.mds
new file mode 100644
index 0000000000000000000000000000000000000000..3d42ef0ffd6123ab8d402559d49a24f929b76548
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00037.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a4449c81539d5a30a94bcd0ddb4420d860c5281e3d69bc9e98536bb13d993bb7
+size 67107880
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00038.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00038.mds
new file mode 100644
index 0000000000000000000000000000000000000000..b9e6e4a672c311ea1fa3248feac773793d477224
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00038.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:145e5c022e64fdeae23dc2a53af43436fb55450c2ddff736d5916d338773a400
+size 67107698
diff --git a/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00040.mds b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00040.mds
new file mode 100644
index 0000000000000000000000000000000000000000..d668f416db64807f58617478deda813afdcc41f7
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0237-tokenized-chunked-1024-512-128-backfill-nodups/shard.00040.mds
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e2411955961e08566a130eb43f78b256a9969ef0810e121f0c47bad82c0f170f
+size 58586054
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_116-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_116-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..0ed4d1fb31632e118f58db5ec0b5ecea59b1e390
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_116-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": 67108604, "hashes": {}}, "samples": 44608, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47909334, "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": 8594688, "hashes": {}}, "samples": 5770, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 6148798, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_116-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_116-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..6352a6287c98fe3a50fbde7df83e6c11f8beed0d
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_116-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36292616,
+  "num_truncated_tokens": 36266104
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13312-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13312-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..81309e574d55a1aeefa7306b60fa20373510c999
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13312-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": 67108757, "hashes": {}}, "samples": 44800, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47907929, "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": 8163948, "hashes": {}}, "samples": 5495, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 5862420, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13312-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13312-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..ee35d27af22583a9c3a868ccbd4eb652791a3abb
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13312-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36079982,
+  "num_truncated_tokens": 36052146
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13490-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13490-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..e191c9725c7abd6aea662222030a210b84c7cb72
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13490-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": 42508, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47509852, "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": 20914248, "hashes": {}}, "samples": 13533, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 14902343, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13490-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13490-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..16aa1ade6ea250c61d821268ba93b983de6b8aab
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_13490-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 42276779,
+  "num_truncated_tokens": 42239757
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14011-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14011-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..e9e07c20d2ebe7dd967a5e04e62c2955c2c3ce7b
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14011-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": 67108295, "hashes": {}}, "samples": 44429, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47805990, "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": 10085129, "hashes": {}}, "samples": 6700, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7179474, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14011-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14011-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..64955d03a5d4a8ab7f7c2bf08f434036c76a9f43
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_14011-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37014487,
+  "num_truncated_tokens": 36985307
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_15343-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_15343-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..5b9e0275f73df33c5e49c8cc7b4c97c67c6b6fe8
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_15343-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": 67108625, "hashes": {}}, "samples": 43428, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47643796, "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": 17368539, "hashes": {}}, "samples": 11038, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 12289250, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_15343-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_15343-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..09368c738fd0f8086e2aa994e81524f431e49362
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_15343-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 40552771,
+  "num_truncated_tokens": 40518851
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_18794-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_18794-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..b5fa420a0a5c16a40973293dcf17a7677e4ea414
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_18794-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": 67107226, "hashes": {}}, "samples": 43379, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47610600, "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": 16761325, "hashes": {}}, "samples": 10906, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 11859091, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_18794-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_18794-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..fcae5f68093fb99150e6a2ebe9d1a287076c41ad
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_18794-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 40254173,
+  "num_truncated_tokens": 40219868
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20930-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20930-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..bc0014e9902b56da50f098894f89ce03c961d3fd
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20930-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": 67106789, "hashes": {}}, "samples": 43625, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47776719, "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": 15277700, "hashes": {}}, "samples": 9758, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 10858812, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20930-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20930-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..ceb8860e19165aa47a9d76bd06e3ebf1bef8fb05
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_20930-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 39539960,
+  "num_truncated_tokens": 39507648
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2633-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2633-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..ae59b6486f8844589982dc2e3318f40c45bea630
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2633-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": 67108462, "hashes": {}}, "samples": 44669, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47878751, "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": 8442716, "hashes": {}}, "samples": 5472, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 5963714, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2633-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2633-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..7b789e921ed8acef56e20b4a7f2d63890c01a93c
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2633-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36223805,
+  "num_truncated_tokens": 36196847
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_26820-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_26820-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..22f94f06df7ac585697868fb247e1a20e302fe2a
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_26820-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": 67108424, "hashes": {}}, "samples": 43699, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47616774, "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": 12653329, "hashes": {}}, "samples": 8315, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8970470, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_26820-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_26820-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..1138736eccabbb1ef12eb470800678b37ba76174
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_26820-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38271002,
+  "num_truncated_tokens": 38240892
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2993-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2993-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..1e30f5a51ce78d16b015548fac8de237b6c6c850
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2993-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": 67107682, "hashes": {}}, "samples": 44141, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47662424, "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": 10733737, "hashes": {}}, "samples": 7099, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7638984, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2993-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2993-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..0079ff13462a0a4d80fa64b950604285aaec9bdc
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_2993-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37334926,
+  "num_truncated_tokens": 37306124
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_34643-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_34643-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..46ce64af35724c5d0b6d65fd81105926d53e875f
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_34643-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": 67107314, "hashes": {}}, "samples": 44342, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47676105, "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": 9368160, "hashes": {}}, "samples": 6272, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 6707527, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_34643-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_34643-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..d7ae130e1113f9d7cb3f3f3bdee138b3b705ddad
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_34643-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36671341,
+  "num_truncated_tokens": 36643595
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_35943-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_35943-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..4e29cb34685202c3c788d1c9ef44a9a0c65985e0
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_35943-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": 67108669, "hashes": {}}, "samples": 43931, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47489102, "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": 12295140, "hashes": {}}, "samples": 7917, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8686704, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_35943-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_35943-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..00f314e910881a92dded704d7087d915679ac81c
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_35943-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38097207,
+  "num_truncated_tokens": 38067673
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_37881-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_37881-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..2624be5670c10ae273c3fba2c84507bfa0ca4ef4
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_37881-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": 67108383, "hashes": {}}, "samples": 42966, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47491123, "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": 16763236, "hashes": {}}, "samples": 11101, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 11943640, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_37881-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_37881-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..8b5c001423ca246b3fd61847e6a670c1ad320ab2
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_37881-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 40262261,
+  "num_truncated_tokens": 40229187
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_38102-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_38102-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..9817d818b95428131693814e69573c1bb59499b3
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_38102-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": 67107963, "hashes": {}}, "samples": 42422, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47700854, "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": 23091992, "hashes": {}}, "samples": 14634, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 16403627, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_38102-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_38102-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..69279b4a96c533d1e82536009a2ad13c47346ccd
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_38102-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 43333846,
+  "num_truncated_tokens": 43295281
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_40853-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_40853-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..328ad6f66cdd3f7adbdf18f9f6a63414df0bc7a3
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_40853-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": 67107669, "hashes": {}}, "samples": 44582, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47859424, "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": 9343158, "hashes": {}}, "samples": 6223, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 6677112, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_40853-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_40853-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..b20eb9da3cc28737156b50e4cc6f26bbc4b967e9
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_40853-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36653219,
+  "num_truncated_tokens": 36624745
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_42672-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_42672-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..bcd76afb704588ea2ff67d6f9fbc2df849b76257
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_42672-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": 67106947, "hashes": {}}, "samples": 44339, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47810291, "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": 8088771, "hashes": {}}, "samples": 5539, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 5795920, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_42672-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_42672-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..e3f258442279aa542e1244fb3f7391f046d6752e
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_42672-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36054170,
+  "num_truncated_tokens": 36027774
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_43083-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_43083-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..da768f4c30eef2b2d986d2a1c6e6bcd5b4bdd616
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_43083-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": 67108141, "hashes": {}}, "samples": 42279, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47859310, "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": 22572958, "hashes": {}}, "samples": 14414, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 16119214, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_43083-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_43083-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..fb74fd25bcd115d259819fb64a8dc32a8244774a
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_43083-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 43085466,
+  "num_truncated_tokens": 43047321
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_47677-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_47677-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..564e7985f40bf964b4e909a9a47747f6a38d6d59
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_47677-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": 67108481, "hashes": {}}, "samples": 44047, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47824789, "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": 12124772, "hashes": {}}, "samples": 7989, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8660497, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_47677-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_47677-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..3b112c73421fea2e931a461037aa1ac47dbe92a1
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_47677-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38006162,
+  "num_truncated_tokens": 37975866
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_53316-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_53316-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..eea1127472d7f9a2a5cf1addf886ef16466b7109
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_53316-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": 67107722, "hashes": {}}, "samples": 43103, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47700905, "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": 18261081, "hashes": {}}, "samples": 11639, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 12929631, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_53316-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_53316-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..174e82d9b8e70b8df01932225e254ce123aaace8
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_53316-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 40989884,
+  "num_truncated_tokens": 40955713
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_54279-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_54279-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..898863dfadac0b586dda74b01978823d9c33705b
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_54279-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": 67107040, "hashes": {}}, "samples": 44150, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47492033, "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": 10367530, "hashes": {}}, "samples": 6845, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7360011, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_54279-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_54279-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..5c258c53b4a5a1b4b0c28777a9338e6de67378ee
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_54279-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37158991,
+  "num_truncated_tokens": 37130889
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_62969-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_62969-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..1bf307fc4688f5bac9714e9211b026f455008e46
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_62969-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": 44264, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47959682, "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": 9840381, "hashes": {}}, "samples": 6663, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 6999185, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_62969-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_62969-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..88a4b188db4198ed9d8fdab37aa909cf5794adab
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_62969-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36898454,
+  "num_truncated_tokens": 36869523
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_64003-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_64003-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..6f4bc32c944d25a11b1329b074c0a556463c8b1f
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_64003-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": 67107434, "hashes": {}}, "samples": 43031, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47856052, "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": 18608378, "hashes": {}}, "samples": 11819, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 13222758, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_64003-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_64003-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..1bd805b81cf77ad17f87ff581586b630029bc786
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_64003-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 41160007,
+  "num_truncated_tokens": 41125200
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_67529-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_67529-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..a7a7abe1b6aa2c62fadc443fec08fed5296e5e0a
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_67529-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": 67108715, "hashes": {}}, "samples": 44154, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47805928, "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": 10638714, "hashes": {}}, "samples": 7168, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7604614, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_67529-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_67529-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..4fa9b4ec61d32e8c245a1f68b53eb5508e8a0e95
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_67529-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37285480,
+  "num_truncated_tokens": 37256637
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_71802-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_71802-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..c42c89ccc41312ca1f5d0b177998d164e35658cc
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_71802-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": 67108158, "hashes": {}}, "samples": 43837, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47936570, "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": 13704868, "hashes": {}}, "samples": 8797, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 9807963, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_71802-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_71802-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..9a3553d6dbcd7e26870aba2175baa312c56045f5
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_71802-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 38777378,
+  "num_truncated_tokens": 38745756
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73438-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73438-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..7ac61f6e5da4b75af39ab358efa89a20cb82fc2e
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73438-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": 67108846, "hashes": {}}, "samples": 42844, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47562129, "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": 19877962, "hashes": {}}, "samples": 12734, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 14170744, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73438-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73438-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..026be903c3ccaff1a926686cdb872ff0016c5fbe
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_73438-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 41773091,
+  "num_truncated_tokens": 41737619
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76068-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76068-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..1591cfc07703aafca27143d79e7e7f941bbe6e3f
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76068-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": 67108736, "hashes": {}}, "samples": 44353, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47894969, "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": 10799643, "hashes": {}}, "samples": 7061, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7678389, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76068-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76068-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..7fff253a0826f956fd8d9ea1a6a36516f746a6df
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76068-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37362974,
+  "num_truncated_tokens": 37333238
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76213-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76213-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..d916834ea12edf0f4c962b8c49a926d833ea4533
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76213-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": 67107933, "hashes": {}}, "samples": 44434, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47771515, "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": 9186517, "hashes": {}}, "samples": 6140, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 6575167, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76213-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76213-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..9f7d6367564ac4fbb8b3fa002c879f4a967e1336
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_76213-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36582109,
+  "num_truncated_tokens": 36554436
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77029-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77029-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..8dc1ebff292a1ae4669d62c21d81a8218cb2a57f
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77029-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": 67106827, "hashes": {}}, "samples": 42772, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47690655, "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": 21295392, "hashes": {}}, "samples": 13423, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 15124212, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77029-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77029-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..3fd64221cc3a2d31a38cc935f605501341712d02
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77029-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 42461621,
+  "num_truncated_tokens": 42424915
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77281-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77281-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..4ea91cf02e79fda0e8459ee7f6e59fd5702deb98
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77281-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": 67107356, "hashes": {}}, "samples": 42692, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47403688, "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": 20868061, "hashes": {}}, "samples": 13259, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 14685502, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77281-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77281-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..c73cf663d3767097e8ac6c832c65fa00264fd208
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_77281-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 42255767,
+  "num_truncated_tokens": 42219387
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_8005-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_8005-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..e457f1d9a295ee6bbc84f5ae96f3302ee21a765c
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_8005-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": 67108707, "hashes": {}}, "samples": 43380, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47651112, "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": 15292975, "hashes": {}}, "samples": 10053, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 10901675, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80339-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80339-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..c12abe81fb369469653d14093dc2cbc3ff0257eb
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80339-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": 67108235, "hashes": {}}, "samples": 43912, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47506031, "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": 12021515, "hashes": {}}, "samples": 7862, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8523105, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80339-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80339-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..a012b1a3df62e900295f479d5d3383de1dbc03fb
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80339-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37962459,
+  "num_truncated_tokens": 37932770
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80577-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80577-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..37ec1c6320abc4ffe4433161bd338b20c883b3fb
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80577-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": 67106757, "hashes": {}}, "samples": 44379, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 48095536, "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": 10770197, "hashes": {}}, "samples": 6932, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7689544, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80577-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80577-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..8b13e94edc56aa978f0a36cd86d234ff6c095683
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80577-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37350391,
+  "num_truncated_tokens": 37321120
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80986-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80986-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..73afd6a6133868bb538ae3fa7ed21124f172c5c7
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80986-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": 67108139, "hashes": {}}, "samples": 44070, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47892646, "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": 10940939, "hashes": {}}, "samples": 7427, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 7865934, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80986-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80986-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..9e8ca49f33e2cd5e0c8e13918b11118165df8364
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_80986-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37430850,
+  "num_truncated_tokens": 37401348
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_84037-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_84037-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..b435e783de36e672eccb42ef06348edad5633999
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_84037-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": 67108558, "hashes": {}}, "samples": 44180, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47934523, "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": 11259216, "hashes": {}}, "samples": 7416, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 8077526, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_84037-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_84037-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..469d4acf268e811cc0821d1eb5c52341a87d6d89
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_84037-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 37587055,
+  "num_truncated_tokens": 37556907
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_8680-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_8680-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..b41ea4462606e6e8e1a7563846ddc27b69d33655
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_8680-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": 67107542, "hashes": {}}, "samples": 44477, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47818706, "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": 9185372, "hashes": {}}, "samples": 6052, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 6541413, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_8680-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_8680-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..d8319a0897b441e4459e8629cb7b1732168ac36c
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_8680-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 36582699,
+  "num_truncated_tokens": 36555209
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_92847-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_92847-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..274ac479d5efa9840b61172beb6eafda76d9554b
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_92847-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": 67106764, "hashes": {}}, "samples": 43802, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47698700, "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": 14518935, "hashes": {}}, "samples": 9441, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 10356659, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_92847-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_92847-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..9b22b7a3b6b14ed5b8001ee9247052986004294c
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_92847-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 39164995,
+  "num_truncated_tokens": 39133061
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_94151-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_94151-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..718900b91197e91e86cdc5e81200f255a736f785
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_94151-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": 67108374, "hashes": {}}, "samples": 42539, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47328221, "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": 21136019, "hashes": {}}, "samples": 13549, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 14965141, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_94151-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_94151-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..1bc14c3e96fd69f7253818390434570e9a648983
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_94151-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 42385974,
+  "num_truncated_tokens": 42349293
+}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_993-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_993-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..6cc1df1048632caade4fc5e2e7734b1440b2c101
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_993-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": 67106933, "hashes": {}}, "samples": 42467, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 47700324, "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": 21960665, "hashes": {}}, "samples": 14238, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 15546409, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_993-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_993-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..95bfcfd23637926d8cb82271c8a5fe6b8700f08a
--- /dev/null
+++ b/train/mlfoundations-dclm-baseline-1.0-parquet-sampled-v2/split_993-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 42778614,
+  "num_truncated_tokens": 42740885
+}
\ No newline at end of file