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new file mode 100644
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diff --git a/train/tulu_flan/tulu_flan_0014-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/tulu_flan/tulu_flan_0014-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
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diff --git a/train/tulu_flan/tulu_flan_0014-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/tulu_flan/tulu_flan_0014-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
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diff --git a/train/tulu_flan/tulu_flan_0025-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/tulu_flan/tulu_flan_0025-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
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\ No newline at end of file
diff --git a/train/tulu_flan/tulu_flan_0025-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/tulu_flan/tulu_flan_0025-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..0ae3885bdb6e959c6712dd621cf2eb75f365c108
--- /dev/null
+++ b/train/tulu_flan/tulu_flan_0025-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 223975137,
+  "num_truncated_tokens": 223942753
+}
\ No newline at end of file
diff --git a/train/tulu_flan/tulu_flan_0027-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/tulu_flan/tulu_flan_0027-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..dc25711c323065f7ca189636c3935c037d539c8e
--- /dev/null
+++ b/train/tulu_flan/tulu_flan_0027-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": 67108665, "hashes": {}}, "samples": 275618, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 44416831, "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": 67108705, "hashes": {}}, "samples": 276227, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 44451722, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00002.mds", "bytes": 67108746, "hashes": {}}, "samples": 275600, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00002.mds.zstd", "bytes": 44391801, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00003.mds", "bytes": 67107733, "hashes": {}}, "samples": 275617, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00003.mds.zstd", "bytes": 44440311, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00004.mds", "bytes": 67108755, "hashes": {}}, "samples": 275803, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00004.mds.zstd", "bytes": 44434620, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00005.mds", "bytes": 67108782, "hashes": {}}, "samples": 275997, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00005.mds.zstd", "bytes": 44421885, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00006.mds", "bytes": 67108630, "hashes": {}}, "samples": 275873, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00006.mds.zstd", "bytes": 44424090, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00007.mds", "bytes": 55425772, "hashes": {}}, "samples": 227479, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00007.mds.zstd", "bytes": 36658697, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/tulu_flan/tulu_flan_0027-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/tulu_flan/tulu_flan_0027-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..9d88f1139b846d04cc382281c03f52a59bc515b7
--- /dev/null
+++ b/train/tulu_flan/tulu_flan_0027-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 212929169,
+  "num_truncated_tokens": 212927603
+}
\ No newline at end of file
diff --git a/train/tulu_flan/tulu_flan_0029-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/tulu_flan/tulu_flan_0029-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..fc0822887c4824fb640174f0e6cd26014cf1cfb9
--- /dev/null
+++ b/train/tulu_flan/tulu_flan_0029-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/tulu_flan/tulu_flan_0029-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/tulu_flan/tulu_flan_0029-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..98775da40684bc0f8ce6cb6f95c5c6214a590103
--- /dev/null
+++ b/train/tulu_flan/tulu_flan_0029-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 300078842,
+  "num_truncated_tokens": 300024597
+}
\ No newline at end of file
diff --git a/train/tulu_flan/tulu_flan_0033-tokenized-chunked-1024-512-128-backfill-nodups/index.json b/train/tulu_flan/tulu_flan_0033-tokenized-chunked-1024-512-128-backfill-nodups/index.json
new file mode 100644
index 0000000000000000000000000000000000000000..1e17d8d99a4dab222cbc8751fd05e9247fc9af56
--- /dev/null
+++ b/train/tulu_flan/tulu_flan_0033-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": 67108373, "hashes": {}}, "samples": 139515, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00000.mds.zstd", "bytes": 33349589, "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": 67108704, "hashes": {}}, "samples": 139957, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00001.mds.zstd", "bytes": 33323111, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00002.mds", "bytes": 67108850, "hashes": {}}, "samples": 139274, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00002.mds.zstd", "bytes": 33169500, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00003.mds", "bytes": 67108773, "hashes": {}}, "samples": 139299, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00003.mds.zstd", "bytes": 33189770, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00004.mds", "bytes": 67108794, "hashes": {}}, "samples": 139409, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00004.mds.zstd", "bytes": 33336004, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00005.mds", "bytes": 67108533, "hashes": {}}, "samples": 139021, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00005.mds.zstd", "bytes": 33282268, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00006.mds", "bytes": 67108546, "hashes": {}}, "samples": 139819, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00006.mds.zstd", "bytes": 33228834, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00007.mds", "bytes": 67108718, "hashes": {}}, "samples": 139489, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00007.mds.zstd", "bytes": 33260771, "hashes": {}}}, {"column_encodings": ["str", "ndarray:uint16"], "column_names": ["id", "input_ids"], "column_sizes": [null, null], "compression": "zstd", "format": "mds", "hashes": [], "raw_data": {"basename": "shard.00008.mds", "bytes": 47822791, "hashes": {}}, "samples": 99452, "size_limit": 67108864, "version": 2, "zip_data": {"basename": "shard.00008.mds.zstd", "bytes": 23665537, "hashes": {}}}], "version": 2}
\ No newline at end of file
diff --git a/train/tulu_flan/tulu_flan_0033-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json b/train/tulu_flan/tulu_flan_0033-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
new file mode 100644
index 0000000000000000000000000000000000000000..70904c6291c248f831cbcb6ed3d1f908ad61ab12
--- /dev/null
+++ b/train/tulu_flan/tulu_flan_0033-tokenized-chunked-1024-512-128-backfill-nodups/num_tokens.json
@@ -0,0 +1,4 @@
+{
+  "num_tokens": 264252169,
+  "num_truncated_tokens": 264236416
+}
\ No newline at end of file