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

Questo puzzle di sudoku ha 70 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, undefined, Naked Single, Full House.

Naked Single Spiegazione
Hidden Single Spiegazione
Locked Candidates Spiegazione
Locked Candidates Spiegazione
Full House Spiegazione
Prova a risolvere

Passaggi della soluzione:

  1. Riga 9 / Colonna 5 → 2 (Hidden Single)
  2. Riga 1 / Colonna 5 → 4 (Hidden Single)
  3. Locked Candidates Type 1 (Pointing): 1 in b2 => r5c6<>1
  4. Locked Candidates Type 1 (Pointing): 6 in b2 => r1c123<>6
  5. Locked Candidates Type 1 (Pointing): 6 in b5 => r5c12<>6
  6. Riga 9 / Colonna 2 → 6 (Hidden Single)
  7. Riga 8 / Colonna 9 → 6 (Hidden Single)
  8. Riga 9 / Colonna 1 → 4 (Hidden Single)
  9. Riga 5 / Colonna 2 → 4 (Hidden Single)
  10. Riga 6 / Colonna 9 → 4 (Hidden Single)
  11. Locked Candidates Type 1 (Pointing): 3 in b8 => r5c4<>3
  12. Locked Candidates Type 2 (Claiming): 5 in r8 => r7c12,r9c3<>5
  13. Riga 1 / Colonna 2 → 5 (Hidden Single)
  14. Riga 2 / Colonna 9 → 5 (Hidden Single)
  15. Naked Triple: 1,2,3 in r56c1,r6c3 => r4c13<>3
  16. Naked Triple: 7,8,9 in r79c6,r8c5 => r79c4<>9, r9c4<>7
  17. Naked Triple: 5,6,9 in r248c3 => r19c3<>9
  18. X-Wing: 2 c37 r16 => r1c189,r6c1<>2
  19. X-Wing: 7 r68 c57 => r129c7,r25c5<>7
  20. Riga 2 / Colonna 1 → 7 (Hidden Single)
  21. Riga 2 / Colonna 3 → 6 (Hidden Single)
  22. Riga 4 / Colonna 3 → 5 (Naked Single)
  23. Riga 4 / Colonna 1 → 6 (Naked Single)
  24. Riga 8 / Colonna 3 → 9 (Naked Single)
  25. Riga 8 / Colonna 1 → 5 (Hidden Single)
  26. Locked Candidates Type 1 (Pointing): 8 in b7 => r7c689<>8
  27. Riga 7 / Colonna 6 → 9 (Naked Single)
  28. X-Wing: 8 r28 c57 => r149c7<>8
  29. Riga 4 / Colonna 9 → 8 (Hidden Single)
  30. X-Wing: 9 r24 c57 => r19c7,r5c5<>9
  31. Riga 9 / Colonna 7 → 1 (Naked Single)
  32. Riga 7 / Colonna 9 → 2 (Naked Single)
  33. Riga 9 / Colonna 3 → 3 (Naked Single)
  34. Riga 7 / Colonna 8 → 5 (Naked Single)
  35. Riga 1 / Colonna 3 → 2 (Naked Single)
  36. Riga 6 / Colonna 3 → 1 (Full House)
  37. Riga 7 / Colonna 2 → 8 (Naked Single)
  38. Riga 3 / Colonna 2 → 3 (Full House)
  39. Riga 7 / Colonna 1 → 1 (Full House)
  40. Riga 7 / Colonna 4 → 3 (Full House)
  41. Riga 9 / Colonna 4 → 5 (Naked Single)
  42. Riga 1 / Colonna 7 → 3 (Naked Single)
  43. Riga 6 / Colonna 1 → 3 (Naked Single)
  44. Riga 5 / Colonna 1 → 2 (Full House)
  45. Riga 4 / Colonna 7 → 9 (Naked Single)
  46. Riga 4 / Colonna 5 → 3 (Full House)
  47. Riga 6 / Colonna 5 → 7 (Naked Single)
  48. Riga 6 / Colonna 7 → 2 (Full House)
  49. Riga 2 / Colonna 7 → 8 (Naked Single)
  50. Riga 2 / Colonna 5 → 9 (Full House)
  51. Riga 8 / Colonna 7 → 7 (Full House)
  52. Riga 8 / Colonna 5 → 8 (Full House)
  53. Riga 5 / Colonna 5 → 1 (Full House)
  54. Riga 9 / Colonna 6 → 7 (Full House)
  55. Riga 5 / Colonna 8 → 7 (Naked Single)
  56. Riga 5 / Colonna 9 → 3 (Full House)
  57. Riga 5 / Colonna 6 → 6 (Naked Single)
  58. Riga 5 / Colonna 4 → 9 (Full House)
  59. Riga 3 / Colonna 4 → 7 (Naked Single)
  60. Riga 1 / Colonna 4 → 6 (Full House)
  61. Riga 9 / Colonna 9 → 9 (Naked Single)
  62. Riga 9 / Colonna 8 → 8 (Full House)
  63. Riga 1 / Colonna 8 → 9 (Naked Single)
  64. Riga 3 / Colonna 8 → 2 (Full House)
  65. Riga 3 / Colonna 9 → 1 (Naked Single)
  66. Riga 1 / Colonna 9 → 7 (Full House)
  67. Riga 1 / Colonna 1 → 8 (Naked Single)
  68. Riga 1 / Colonna 6 → 1 (Full House)
  69. Riga 3 / Colonna 6 → 8 (Full House)
  70. Riga 3 / Colonna 1 → 9 (Full House)
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