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README.md

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+---
+dataset_info:
+  features:
+  - name: archive
+    dtype: binary
+license: other
+task_categories:
+- visual-question-answering
+tags:
+- sokoban
+- bagel
+- sft
+- stop-required
+- res256
+- no-cot
+---
+
+# Sokoban Easy V8 Res256 Stop-Required Plain Ordered 100k
+
+This repository contains the exact plain Sokoban easy ordered dataset used for the 2026-06-04 ordered-strict SFT run.
+
+Archive parts:
+
+- `sokoban_easy_v8_res256_stopreq_plain_ordered100k_20260604.tar.gz.part-*`
+
+Reassemble before extraction:
+
+```bash
+cat sokoban_easy_v8_res256_stopreq_plain_ordered100k_20260604.tar.gz.part-* > sokoban_easy_v8_res256_stopreq_plain_ordered100k_20260604.tar.gz
+sha256sum -c SHA256SUMS.full
+tar -xzf sokoban_easy_v8_res256_stopreq_plain_ordered100k_20260604.tar.gz
+```
+
+Contents after extraction:
+
+- `trajectories/sokoban_easy/train/`: 100000 plain JSONL records in 8 gzip shards.
+- `metadata/train_alignment_manifest.jsonl`
+- `metadata/ordered_pair_summary.json`
+- `README.md`
+
+Checksums:
+
+- `SHA256SUMS.full`: checksum for the reassembled `.tar.gz`.
+- `SHA256SUMS.parts`: checksums for individual uploaded parts.
+
+Data contract:
+
+- Split materialized here: train only.
+- Train rows: 100000.
+- Materialized test rows: 0. The ordered-strict SFT launcher used train as the eval path for this control run.
+- Paired CoT dataset: `sokoban_easy_v8_res256_stopreq_allstep_cot_ordered100k`.
+- Plain/COT alignment: same train alignment manifest, same source records, same order.
+- Images: 256x256 JPEG base64 payloads.
+- Loader contract: ordered non-streaming JSONL path with `__bagel_order_key`, seed-42 row shuffle.
+- Prompt source: JSONL `history[*].prompt` only, no local instruction override.
+
+The ordered pair summary reports `ok: true` and `row_count: 100000`.

SHA256SUMS.full

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+2bce7d5fa435131096186a44c7e4a76f6600eb7ae6d869b5a56956d8e7c175e3  sokoban_easy_v8_res256_stopreq_plain_ordered100k_20260604.tar.gz

SHA256SUMS.parts

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+ea54ab2069def52e5995caee8aacbd4f2475f4364226126268194d573adda412  sokoban_easy_v8_res256_stopreq_plain_ordered100k_20260604.tar.gz.part-000
+846503ca8d98379dae1f5e28840f8fa5d8143643dda6f51d812556f75c6e2194  sokoban_easy_v8_res256_stopreq_plain_ordered100k_20260604.tar.gz.part-001

sokoban_easy_v8_res256_stopreq_plain_ordered100k_20260604.tar.gz.part-000

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+oid sha256:ea54ab2069def52e5995caee8aacbd4f2475f4364226126268194d573adda412
+size 48318382080

sokoban_easy_v8_res256_stopreq_plain_ordered100k_20260604.tar.gz.part-001

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+version https://git-lfs.github.com/spec/v1
+oid sha256:846503ca8d98379dae1f5e28840f8fa5d8143643dda6f51d812556f75c6e2194
+size 48023680873