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diff --git a/train/cc_en_head/cc_en_head_0011-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/cc_en_head/cc_en_head_0011-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..68f687b618a0a7db6c2bb58e067aeab3ea0a45fd
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0011-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/train/cc_en_head/cc_en_head_0011-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/cc_en_head/cc_en_head_0011-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..c6cbdca7138a7b2059e46ed8795e2254283cbce7
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0011-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
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+  "num_truncated_tokens": 1415965474
+}
\ No newline at end of file
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diff --git a/train/cc_en_head/cc_en_head_0225-tokenized-chunked-1024-512-128-backfill-nodups/shard.00000.mds b/train/cc_en_head/cc_en_head_0225-tokenized-chunked-1024-512-128-backfill-nodups/shard.00000.mds
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\ No newline at end of file
diff --git a/train/cc_en_head/cc_en_head_0240-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/cc_en_head/cc_en_head_0240-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..277b965b5b9c28c44fbbace7b6e61b4ae0a664fa
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0240-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 1201833414,
+  "num_truncated_tokens": 1201277575
+}
\ No newline at end of file
diff --git a/train/cc_en_head/cc_en_head_0251-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/cc_en_head/cc_en_head_0251-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..756d9b1533f7923e6348104b432db74c274dd8a4
--- /dev/null
+++ b/train/cc_en_head/cc_en_head_0251-tokenized-chunked-1024-512-128-backfill-nodups/index.json
@@ -0,0 +1 @@
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