Solución para Sudoku difícil #3135741629818

3
9
8
7
9
9
6
3
5
3
8
1
2
6
8
1
9
3
5
6
4
2
9
8
5
4
7

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
Intenta resolverlo

Pasos de la solución:

  1. Fila 8 / Columna 8 → 5 (Hidden Single)
  2. Locked Triple: 4,5,7 in r456c3 => r3c3,r5c1<>4, r37c3,r46c2,r5c1<>7, r46c2<>5
  3. Fila 5 / Columna 1 → 2 (Naked Single)
  4. Fila 5 / Columna 7 → 5 (Naked Single)
  5. Locked Candidates Type 1 (Pointing): 6 in b4 => r23c2<>6
  6. Locked Candidates Type 1 (Pointing): 9 in b4 => r8c2<>9
  7. Locked Candidates Type 1 (Pointing): 6 in b6 => r7c7<>6
  8. Naked Pair: 4,7 in r5c39 => r5c46<>4, r5c4<>7
  9. X-Wing: 1 c37 r37 => r3c2568,r7c2458<>1
  10. Skyscraper: 1 in r8c5,r9c8 (connected by r2c58) => r9c46<>1
  11. Fila 9 / Columna 8 → 1 (Hidden Single)
  12. Fila 3 / Columna 7 → 1 (Hidden Single)
  13. Fila 3 / Columna 3 → 8 (Naked Single)
  14. Fila 7 / Columna 3 → 1 (Naked Single)
  15. Fila 7 / Columna 8 → 3 (Hidden Single)
  16. Fila 7 / Columna 2 → 7 (Naked Single)
  17. Fila 3 / Columna 2 → 2 (Naked Single)
  18. Fila 8 / Columna 1 → 9 (Naked Single)
  19. Fila 8 / Columna 2 → 3 (Naked Single)
  20. Fila 9 / Columna 1 → 8 (Full House)
  21. Fila 8 / Columna 9 → 2 (Naked Single)
  22. Fila 7 / Columna 7 → 8 (Naked Single)
  23. Fila 8 / Columna 6 → 1 (Naked Single)
  24. Fila 8 / Columna 5 → 7 (Full House)
  25. Fila 4 / Columna 7 → 6 (Naked Single)
  26. Fila 6 / Columna 7 → 2 (Full House)
  27. Fila 7 / Columna 9 → 6 (Naked Single)
  28. Fila 9 / Columna 9 → 9 (Full House)
  29. Fila 5 / Columna 6 → 3 (Naked Single)
  30. Fila 4 / Columna 2 → 9 (Naked Single)
  31. Fila 7 / Columna 4 → 4 (Naked Single)
  32. Fila 7 / Columna 5 → 2 (Full House)
  33. Fila 5 / Columna 4 → 1 (Naked Single)
  34. Fila 9 / Columna 6 → 6 (Naked Single)
  35. Fila 9 / Columna 4 → 3 (Full House)
  36. Fila 4 / Columna 5 → 4 (Naked Single)
  37. Fila 6 / Columna 2 → 6 (Naked Single)
  38. Fila 1 / Columna 4 → 5 (Naked Single)
  39. Fila 3 / Columna 6 → 4 (Naked Single)
  40. Fila 2 / Columna 5 → 1 (Naked Single)
  41. Fila 3 / Columna 5 → 3 (Naked Single)
  42. Fila 6 / Columna 5 → 9 (Full House)
  43. Fila 4 / Columna 6 → 5 (Naked Single)
  44. Fila 6 / Columna 4 → 7 (Full House)
  45. Fila 2 / Columna 4 → 6 (Full House)
  46. Fila 1 / Columna 6 → 2 (Full House)
  47. Fila 1 / Columna 2 → 1 (Naked Single)
  48. Fila 2 / Columna 2 → 5 (Full House)
  49. Fila 3 / Columna 8 → 7 (Naked Single)
  50. Fila 3 / Columna 1 → 6 (Full House)
  51. Fila 4 / Columna 3 → 7 (Naked Single)
  52. Fila 4 / Columna 8 → 8 (Full House)
  53. Fila 6 / Columna 8 → 4 (Naked Single)
  54. Fila 2 / Columna 8 → 2 (Full House)
  55. Fila 5 / Columna 9 → 7 (Full House)
  56. Fila 5 / Columna 3 → 4 (Full House)
  57. Fila 6 / Columna 3 → 5 (Full House)
  58. Fila 2 / Columna 1 → 4 (Naked Single)
  59. Fila 1 / Columna 1 → 7 (Full House)
  60. Fila 1 / Columna 9 → 4 (Full House)
  61. Fila 2 / Columna 9 → 8 (Full House)
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