Datasets:

SZLHOLDINGS
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reasoning-puzzles-sft-v1

messages listlengths 2 2	meta dict
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00704-L1aug", "family": "zebra", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00551-L1aug", "family": "zebra", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00414-L1aug", "family": "zebra", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01049-L1aug", "family": "zebra", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01103-L1aug", "family": "zebra", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00885-L1aug", "family": "zebra", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01380-L1aug", "family": "zebra", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01391-L1aug", "family": "zebra", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01132", "family": "zebra", "level": 2, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00618", "family": "zebra", "level": 2, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01459", "family": "zebra", "level": 2, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00755", "family": "zebra", "level": 2, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01458", "family": "zebra", "level": 2, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00230", "family": "zebra", "level": 2, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01412", "family": "zebra", "level": 2, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01137", "family": "zebra", "level": 2, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00790", "family": "zebra", "level": 3, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00647", "family": "zebra", "level": 3, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00478", "family": "zebra", "level": 3, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01305", "family": "zebra", "level": 3, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00284", "family": "zebra", "level": 3, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01256", "family": "zebra", "level": 3, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00369", "family": "zebra", "level": 3, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01430", "family": "zebra", "level": 3, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00829", "family": "zebra", "level": 4, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00668", "family": "zebra", "level": 4, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00360", "family": "zebra", "level": 4, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00518", "family": "zebra", "level": 4, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00388", "family": "zebra", "level": 4, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-00383", "family": "zebra", "level": 4, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01240", "family": "zebra", "level": 4, "certified_unique": true }
[ { "role": "user", "content": "Grid logic puzzle. Deduce which value of each category belongs to each house. Every value is used exactly once.\n\nThere are 5 houses in a row, numbered 1 to 5 from left to right. Each house has one occupant. Every occupant has exactly one value from each category below, and no...	{ "id": "zebra-01211", "family": "zebra", "level": 4, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n. . 8 \| 2 . . \| . 9 .\n. . . \| . . 4 \| . 1 7\n. . . \| . . . \| 5 . 6\n---------------------\n. 5 . \| 3 . . \| 7...	{ "id": "sudoku_x-00552", "family": "sudoku", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n. . . \| 2 . . \| . . .\n. . . \| 8 4 . \| 7 5 .\n. 1 . \| 5 . . \| 6 2 .\n---------------------\n2 . 3 \| . 8 . \| ....	{ "id": "sudoku_x-06719", "family": "sudoku", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n. 3 . \| . . . \| 4 7 .\n6 . 9 \| . . . \| . 3 .\n. . 8 \| . . . \| . . 9\n---------------------\n7 9 . \| . 5 . \| ....	{ "id": "sudoku_x-02100", "family": "sudoku", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n. . 2 \| . . 8 \| . . .\n. . 8 \| 3 . 5 \| . 6 .\n9 . 5 \| 1 . . \| . . .\n---------------------\n5 . . \| . . . \| 4...	{ "id": "sudoku_x-05879", "family": "sudoku", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n7 . . \| . 1 . \| 5 . .\n. . . \| . . . \| . 3 .\n. 9 8 \| 7 . . \| . . .\n---------------------\n. . . \| 3 2 4 \| ....	{ "id": "sudoku_x-04635", "family": "sudoku", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n. . . \| 2 8 . \| . . 9\n. . 3 \| . . . \| . . 1\n6 . . \| . 5 . \| . 8 .\n---------------------\n. . . \| . . . \| 7...	{ "id": "sudoku_x-07589", "family": "sudoku", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n8 . . \| . . 3 \| . 9 .\n. 2 . \| . . . \| 6 . 3\n. 3 7 \| . . . \| . . .\n---------------------\n. 1 . \| . 7 . \| ....	{ "id": "sudoku_x-02520", "family": "sudoku", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n. . . \| 3 . 8 \| . . 9\n. 9 . \| . 6 . \| . . .\n. . . \| . . . \| 1 4 .\n---------------------\n. . . \| 6 . 3 \| ....	{ "id": "sudoku_x-02223", "family": "sudoku", "level": 1, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n. . . \| . 5 2 \| . . .\n7 . . \| 9 . . \| 4 . .\n. . . \| . 1 . \| 9 . 3\n---------------------\n. . . \| . 2 . \| ....	{ "id": "sudoku_x-01679", "family": "sudoku", "level": 2, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n6 . 7 \| 2 . . \| . . .\n. . . \| . . 9 \| . . .\n. . . \| 8 . . \| 4 . 2\n---------------------\n8 7 . \| . . 4 \| ....	{ "id": "sudoku_x-00947", "family": "sudoku", "level": 2, "certified_unique": true }
[ { "role": "user", "content": "Classic Sudoku on a 9x9 grid. Fill every cell with a digit 1-9 so that each row, each column and each 3x3 box contains every digit exactly once.\n\nGrid ('.' = empty):\n7 . . \| . . . \| . . 6\n. 3 6 \| 2 . . \| 8 . .\n. 8 . \| . . 4 \| . . .\n---------------------\n. 6 7 \| 1 . . \| ....	{ "id": "sudoku-00320", "family": "sudoku", "level": 2, "certified_unique": true }

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SZL Reasoning Puzzles SFT v1

242 chat-format SFT examples for deductive reasoning, built from the certified unique-solution puzzle benchmark of Behnamian (2025) (github.com/sarabehnamian/Puzzle-generation-with-guaranteed-uniqueness).

Every example pairs a puzzle prompt with a step-wise explained solution where each deduced fact carries the minimal set of clues that formally force it (from the benchmark's minimal-core explanations, extracted via MUS computation over the SAT encoding). Every puzzle is certified unique by two independent solvers (MiniSat and CP-SAT).

Provenance

Source benchmark: sarabehnamian/Puzzle-generation-with-guaranteed-uniqueness (benchmark/puzzles.jsonl)
Each record's meta carries the source puzzle id, family, ladder level, and the certified-unique flag
Families: zebra (70), sudoku (62), killer (66), futoshiki (44); levels L1-L5

Honest notes

The explanations are solver-extracted minimal cores, not model-generated rationales: the ground truth is formal, not stylistic
242 examples is a seed corpus; the source pipeline can generate more certified puzzles with explanations (CPU-only, PySAT-based)
Field meta is training metadata; strip it before tokenization if your SFT pipeline expects pure chat records

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