2
3
3
3
2
1
9
5
2
2
3
5
5
3
3
2
3
3
2

Este Sudoku Puzzle tiene 9 pasos y se resuelve usando Naked Quadruple, Naked Single, Locked Candidates Type 1 (Pointing), Hidden Single, Hidden Pair, Give Up técnicas.

Naked Single Explicación
Hidden Single Explicación
Hidden Pair Explicación
Locked Candidates Explicación
Intenta resolverlo

Pasos de la solución:

  1. Naked Quadruple: 4,6,7,8 in r5c12,r6c12 => r56c3<>4, r56c3<>6, r56c3<>7, r56c3<>8
  2. Fila 5 / Columna 3 → 2 (Naked Single)
  3. Fila 6 / Columna 3 → 2 (Naked Single)
  4. Locked Candidates Type 1 (Pointing): 2 in b5 => r4c79<>2
  5. Fila 3 / Columna 7 → 2 (Hidden Single)
  6. Hidden Pair: 2,3 in r37c3 => r37c3<>1, r37c3<>4, r37c3<>6, r37c3<>7, r37c3<>8, r37c3<>9
  7. Fila 3 / Columna 3 → 3 (Naked Single)
  8. Fila 7 / Columna 3 → 3 (Naked Single)
  9. Give Up: Don't know how to proceed!
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