Solución para Sudoku difícil #117713524895

2
7
9
9
3
7
8
7
7
7
3
7
4
1
5
3
2
7
3
9
1
5
8
2
7
1
7
1
4

Este Sudoku Puzzle tiene 56 pasos y se resuelve usando Hidden Single, Locked Candidates Type 1 (Pointing), Locked Triple, Naked Single, Full House técnicas.

Naked Single Explicación
Hidden Single Explicación
Locked Candidates Explicación
Full House Explicación
Intenta resolverlo

Pasos de la solución:

  1. Fila 1 / Columna 9 → 9 (Hidden Single)
  2. Fila 1 / Columna 5 → 7 (Hidden Single)
  3. Fila 1 / Columna 2 → 8 (Hidden Single)
  4. Fila 5 / Columna 3 → 2 (Hidden Single)
  5. Fila 9 / Columna 8 → 8 (Hidden Single)
  6. Fila 7 / Columna 8 → 3 (Hidden Single)
  7. Locked Candidates Type 1 (Pointing): 6 in b5 => r23789c5<>6
  8. Locked Candidates Type 1 (Pointing): 8 in b5 => r28c5<>8
  9. Locked Candidates Type 1 (Pointing): 9 in b5 => r789c5<>9
  10. Fila 7 / Columna 7 → 9 (Hidden Single)
  11. Locked Triple: 2,3,4 in r789c5 => r23c5,r9c6<>2, r23c5,r89c4<>3, r23c5,r78c4<>4
  12. Fila 2 / Columna 5 → 1 (Naked Single)
  13. Fila 3 / Columna 5 → 1 (Naked Single)
  14. Fila 7 / Columna 4 → 6 (Naked Single)
  15. Fila 7 / Columna 2 → 4 (Naked Single)
  16. Fila 7 / Columna 9 → 2 (Full House)
  17. Fila 7 / Columna 5 → 2 (Full House)
  18. Fila 9 / Columna 4 → 5 (Naked Single)
  19. Fila 9 / Columna 5 → 3 (Naked Single)
  20. Fila 1 / Columna 4 → 4 (Naked Single)
  21. Fila 8 / Columna 4 → 8 (Naked Single)
  22. Fila 2 / Columna 4 → 3 (Full House)
  23. Fila 9 / Columna 6 → 9 (Naked Single)
  24. Fila 9 / Columna 7 → 6 (Naked Single)
  25. Fila 8 / Columna 7 → 5 (Full House)
  26. Fila 9 / Columna 1 → 1 (Full House)
  27. Fila 9 / Columna 2 → 1 (Full House)
  28. Fila 8 / Columna 5 → 4 (Naked Single)
  29. Fila 8 / Columna 6 → 9 (Naked Single)
  30. Fila 5 / Columna 7 → 4 (Naked Single)
  31. Fila 4 / Columna 7 → 2 (Full House)
  32. Fila 2 / Columna 7 → 2 (Full House)
  33. Fila 8 / Columna 1 → 6 (Naked Single)
  34. Fila 3 / Columna 1 → 4 (Naked Single)
  35. Fila 5 / Columna 1 → 8 (Naked Single)
  36. Fila 4 / Columna 1 → 9 (Full House)
  37. Fila 5 / Columna 9 → 6 (Full House)
  38. Fila 8 / Columna 3 → 3 (Naked Single)
  39. Fila 2 / Columna 9 → 5 (Naked Single)
  40. Fila 6 / Columna 9 → 8 (Full House)
  41. Fila 4 / Columna 8 → 5 (Full House)
  42. Fila 6 / Columna 8 → 5 (Full House)
  43. Fila 2 / Columna 3 → 6 (Naked Single)
  44. Fila 3 / Columna 8 → 6 (Naked Single)
  45. Fila 4 / Columna 2 → 6 (Naked Single)
  46. Fila 4 / Columna 5 → 8 (Full House)
  47. Fila 6 / Columna 2 → 6 (Naked Single)
  48. Fila 6 / Columna 5 → 9 (Full House)
  49. Fila 2 / Columna 6 → 8 (Naked Single)
  50. Fila 3 / Columna 3 → 5 (Naked Single)
  51. Fila 6 / Columna 3 → 4 (Naked Single)
  52. Fila 1 / Columna 3 → 1 (Full House)
  53. Fila 3 / Columna 2 → 3 (Full House)
  54. Fila 1 / Columna 8 → 1 (Naked Single)
  55. Fila 3 / Columna 6 → 2 (Naked Single)
  56. Fila 1 / Columna 6 → 6 (Hidden Single)
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