Solución para Sudoku difícil #2126394751818

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

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 2 / Columna 2 → 6 (Hidden Single)
  2. Locked Triple: 3,6,9 in r456c7 => r37c7,r46c8,r5c9<>3, r5c9,r7c7<>9, r46c8<>6
  3. Fila 5 / Columna 9 → 5 (Naked Single)
  4. Fila 5 / Columna 3 → 6 (Naked Single)
  5. Locked Candidates Type 1 (Pointing): 7 in b4 => r3c3<>7
  6. Locked Candidates Type 1 (Pointing): 1 in b6 => r2c8<>1
  7. Locked Candidates Type 1 (Pointing): 7 in b6 => r78c8<>7
  8. Naked Pair: 3,9 in r5c17 => r5c46<>9, r5c6<>3
  9. X-Wing: 4 c37 r37 => r3c2568,r7c2458<>4
  10. Skyscraper: 4 in r1c2,r2c5 (connected by r8c25) => r1c46<>4
  11. Fila 1 / Columna 2 → 4 (Hidden Single)
  12. Fila 3 / Columna 7 → 4 (Hidden Single)
  13. Fila 7 / Columna 7 → 8 (Naked Single)
  14. Fila 7 / Columna 3 → 4 (Hidden Single)
  15. Fila 3 / Columna 2 → 2 (Hidden Single)
  16. Fila 3 / Columna 8 → 3 (Naked Single)
  17. Fila 2 / Columna 8 → 2 (Naked Single)
  18. Fila 2 / Columna 9 → 1 (Naked Single)
  19. Fila 1 / Columna 9 → 8 (Full House)
  20. Fila 7 / Columna 8 → 5 (Naked Single)
  21. Fila 2 / Columna 1 → 5 (Naked Single)
  22. Fila 2 / Columna 4 → 4 (Naked Single)
  23. Fila 2 / Columna 5 → 3 (Full House)
  24. Fila 3 / Columna 3 → 8 (Naked Single)
  25. Fila 5 / Columna 4 → 2 (Naked Single)
  26. Fila 3 / Columna 1 → 7 (Naked Single)
  27. Fila 1 / Columna 1 → 1 (Full House)
  28. Fila 6 / Columna 3 → 7 (Naked Single)
  29. Fila 4 / Columna 3 → 5 (Full House)
  30. Fila 1 / Columna 4 → 7 (Naked Single)
  31. Fila 1 / Columna 6 → 2 (Full House)
  32. Fila 5 / Columna 6 → 4 (Naked Single)
  33. Fila 3 / Columna 6 → 9 (Naked Single)
  34. Fila 3 / Columna 5 → 5 (Full House)
  35. Fila 6 / Columna 8 → 1 (Naked Single)
  36. Fila 7 / Columna 4 → 9 (Naked Single)
  37. Fila 9 / Columna 6 → 6 (Naked Single)
  38. Fila 4 / Columna 8 → 7 (Naked Single)
  39. Fila 6 / Columna 5 → 9 (Naked Single)
  40. Fila 6 / Columna 4 → 6 (Naked Single)
  41. Fila 9 / Columna 4 → 5 (Full House)
  42. Fila 7 / Columna 2 → 3 (Naked Single)
  43. Fila 7 / Columna 5 → 2 (Naked Single)
  44. Fila 7 / Columna 9 → 7 (Full House)
  45. Fila 8 / Columna 5 → 4 (Naked Single)
  46. Fila 8 / Columna 6 → 7 (Full House)
  47. Fila 4 / Columna 6 → 3 (Full House)
  48. Fila 4 / Columna 5 → 1 (Full House)
  49. Fila 9 / Columna 8 → 4 (Naked Single)
  50. Fila 8 / Columna 8 → 6 (Full House)
  51. Fila 6 / Columna 7 → 3 (Naked Single)
  52. Fila 6 / Columna 2 → 8 (Full House)
  53. Fila 4 / Columna 2 → 9 (Naked Single)
  54. Fila 4 / Columna 7 → 6 (Full House)
  55. Fila 5 / Columna 7 → 9 (Full House)
  56. Fila 5 / Columna 1 → 3 (Full House)
  57. Fila 8 / Columna 2 → 5 (Full House)
  58. Fila 9 / Columna 1 → 9 (Naked Single)
  59. Fila 8 / Columna 1 → 8 (Full House)
  60. Fila 8 / Columna 9 → 9 (Full House)
  61. Fila 9 / Columna 9 → 3 (Full House)
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