Solución para Sudoku difícil #2141756832918
2
6
7
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1
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9
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9
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9
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7
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9
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Este Sudoku Puzzle tiene 61 pasos y se resuelve usando Hidden Single, Locked Triple, Naked Single, Locked Candidates Type 1 (Pointing), Naked Pair, undefined, Skyscraper, Full House técnicas.
Naked Single
Explicación
Hidden Single
Explicación
Locked Candidates
Explicación
Full House
Explicación
Pasos de la solución:
- Fila 2 / Columna 2 → 1 (Hidden Single)
- Locked Triple: 1,5,7 in r456c7 => r37c7,r46c8,r5c9<>7, r5c9,r7c7<>5, r46c8<>1
- Fila 5 / Columna 9 → 3 (Naked Single)
- Fila 5 / Columna 3 → 1 (Naked Single)
- Locked Candidates Type 1 (Pointing): 8 in b4 => r3c3<>8
- Locked Candidates Type 1 (Pointing): 2 in b6 => r2c8<>2
- Locked Candidates Type 1 (Pointing): 8 in b6 => r78c8<>8
- Naked Pair: 5,7 in r5c17 => r5c46<>5, r5c6<>7
- X-Wing: 6 c37 r37 => r3c2568,r7c2458<>6
- Skyscraper: 6 in r1c2,r2c5 (connected by r8c25) => r1c46<>6
- Fila 1 / Columna 2 → 6 (Hidden Single)
- Fila 3 / Columna 7 → 6 (Hidden Single)
- Fila 7 / Columna 7 → 9 (Naked Single)
- Fila 7 / Columna 3 → 6 (Hidden Single)
- Fila 3 / Columna 2 → 4 (Hidden Single)
- Fila 3 / Columna 8 → 7 (Naked Single)
- Fila 2 / Columna 8 → 4 (Naked Single)
- Fila 2 / Columna 9 → 2 (Naked Single)
- Fila 1 / Columna 9 → 9 (Full House)
- Fila 7 / Columna 8 → 3 (Naked Single)
- Fila 2 / Columna 1 → 3 (Naked Single)
- Fila 2 / Columna 4 → 6 (Naked Single)
- Fila 2 / Columna 5 → 7 (Full House)
- Fila 3 / Columna 3 → 9 (Naked Single)
- Fila 5 / Columna 4 → 4 (Naked Single)
- Fila 3 / Columna 1 → 8 (Naked Single)
- Fila 1 / Columna 1 → 2 (Full House)
- Fila 6 / Columna 3 → 8 (Naked Single)
- Fila 4 / Columna 3 → 3 (Full House)
- Fila 1 / Columna 4 → 8 (Naked Single)
- Fila 1 / Columna 6 → 4 (Full House)
- Fila 5 / Columna 6 → 6 (Naked Single)
- Fila 3 / Columna 6 → 5 (Naked Single)
- Fila 3 / Columna 5 → 3 (Full House)
- Fila 6 / Columna 8 → 2 (Naked Single)
- Fila 7 / Columna 4 → 5 (Naked Single)
- Fila 9 / Columna 6 → 1 (Naked Single)
- Fila 4 / Columna 8 → 8 (Naked Single)
- Fila 6 / Columna 5 → 5 (Naked Single)
- Fila 6 / Columna 4 → 1 (Naked Single)
- Fila 9 / Columna 4 → 3 (Full House)
- Fila 7 / Columna 2 → 7 (Naked Single)
- Fila 7 / Columna 5 → 4 (Naked Single)
- Fila 7 / Columna 9 → 8 (Full House)
- Fila 8 / Columna 5 → 6 (Naked Single)
- Fila 8 / Columna 6 → 8 (Full House)
- Fila 4 / Columna 6 → 7 (Full House)
- Fila 4 / Columna 5 → 2 (Full House)
- Fila 9 / Columna 8 → 6 (Naked Single)
- Fila 8 / Columna 8 → 1 (Full House)
- Fila 6 / Columna 7 → 7 (Naked Single)
- Fila 6 / Columna 2 → 9 (Full House)
- Fila 4 / Columna 2 → 5 (Naked Single)
- Fila 4 / Columna 7 → 1 (Full House)
- Fila 5 / Columna 7 → 5 (Full House)
- Fila 5 / Columna 1 → 7 (Full House)
- Fila 8 / Columna 2 → 3 (Full House)
- Fila 9 / Columna 1 → 5 (Naked Single)
- Fila 8 / Columna 1 → 9 (Full House)
- Fila 8 / Columna 9 → 5 (Full House)
- Fila 9 / Columna 9 → 7 (Full House)
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