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

Questo puzzle di sudoku ha 69 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Single, Locked Pair, Naked Pair, Empty Rectangle, undefined, 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 3 / Colonna 7 → 2 (Hidden Single)
  2. Riga 7 / Colonna 8 → 5 (Hidden Single)
  3. Riga 9 / Colonna 7 → 6 (Hidden Single)
  4. Riga 9 / Colonna 9 → 4 (Hidden Single)
  5. Locked Candidates Type 1 (Pointing): 6 in b2 => r1c1<>6
  6. Locked Candidates Type 1 (Pointing): 5 in b3 => r1c2<>5
  7. Locked Candidates Type 1 (Pointing): 9 in b6 => r12c9<>9
  8. Locked Candidates Type 1 (Pointing): 1 in b9 => r8c3<>1
  9. Locked Candidates Type 2 (Claiming): 9 in r2 => r1c12,r3c23<>9
  10. Riga 1 / Colonna 1 → 7 (Naked Single)
  11. Riga 1 / Colonna 2 → 1 (Naked Single)
  12. Riga 1 / Colonna 9 → 5 (Naked Single)
  13. Riga 3 / Colonna 6 → 1 (Hidden Single)
  14. Riga 7 / Colonna 3 → 1 (Hidden Single)
  15. Locked Pair: 5,8 in r3c23 => r2c13,r3c8<>8
  16. Naked Pair: 3,7 in r38c5 => r246c5<>7, r46c5<>3
  17. Riga 2 / Colonna 5 → 4 (Naked Single)
  18. Riga 7 / Colonna 4 → 4 (Hidden Single)
  19. Riga 1 / Colonna 7 → 4 (Hidden Single)
  20. Riga 4 / Colonna 6 → 4 (Hidden Single)
  21. Riga 9 / Colonna 4 → 2 (Hidden Single)
  22. Locked Candidates Type 1 (Pointing): 7 in b2 => r3c8<>7
  23. Locked Candidates Type 1 (Pointing): 3 in b3 => r5c8<>3
  24. Empty Rectangle: 7 in b5 (r59c8) => r9c6<>7
  25. Empty Rectangle: 7 in b5 (r7c26) => r5c2<>7
  26. Naked Pair: 5,8 in r35c2 => r4c2<>5, r79c2<>8
  27. W-Wing: 7/8 in r5c8,r7c6 connected by 8 in r9c68 => r5c6<>7
  28. XY-Wing: 8/9/7 in r79c6,r9c2 => r7c2<>7
  29. Riga 7 / Colonna 2 → 2 (Naked Single)
  30. Riga 7 / Colonna 1 → 8 (Naked Single)
  31. Riga 7 / Colonna 6 → 7 (Full House)
  32. Riga 6 / Colonna 6 → 3 (Naked Single)
  33. Riga 8 / Colonna 5 → 3 (Naked Single)
  34. Riga 5 / Colonna 6 → 6 (Naked Single)
  35. Riga 3 / Colonna 5 → 7 (Naked Single)
  36. Riga 8 / Colonna 4 → 9 (Naked Single)
  37. Riga 9 / Colonna 6 → 8 (Full House)
  38. Riga 1 / Colonna 6 → 9 (Full House)
  39. Riga 5 / Colonna 4 → 7 (Naked Single)
  40. Riga 3 / Colonna 4 → 3 (Naked Single)
  41. Riga 1 / Colonna 4 → 6 (Full House)
  42. Riga 1 / Colonna 8 → 3 (Full House)
  43. Riga 8 / Colonna 1 → 6 (Naked Single)
  44. Riga 9 / Colonna 8 → 7 (Naked Single)
  45. Riga 9 / Colonna 2 → 9 (Full House)
  46. Riga 8 / Colonna 3 → 7 (Full House)
  47. Riga 5 / Colonna 8 → 8 (Naked Single)
  48. Riga 3 / Colonna 8 → 9 (Full House)
  49. Riga 2 / Colonna 1 → 9 (Naked Single)
  50. Riga 4 / Colonna 2 → 7 (Naked Single)
  51. Riga 5 / Colonna 2 → 5 (Naked Single)
  52. Riga 3 / Colonna 2 → 8 (Full House)
  53. Riga 5 / Colonna 7 → 3 (Full House)
  54. Riga 3 / Colonna 3 → 5 (Full House)
  55. Riga 2 / Colonna 3 → 6 (Full House)
  56. Riga 6 / Colonna 1 → 2 (Naked Single)
  57. Riga 4 / Colonna 1 → 3 (Full House)
  58. Riga 4 / Colonna 3 → 9 (Naked Single)
  59. Riga 6 / Colonna 3 → 8 (Full House)
  60. Riga 6 / Colonna 5 → 5 (Naked Single)
  61. Riga 4 / Colonna 5 → 2 (Full House)
  62. Riga 4 / Colonna 9 → 1 (Naked Single)
  63. Riga 4 / Colonna 7 → 5 (Full House)
  64. Riga 6 / Colonna 7 → 7 (Naked Single)
  65. Riga 6 / Colonna 9 → 9 (Full House)
  66. Riga 8 / Colonna 9 → 8 (Naked Single)
  67. Riga 2 / Colonna 9 → 7 (Full House)
  68. Riga 2 / Colonna 7 → 8 (Full House)
  69. Riga 8 / Colonna 7 → 1 (Full House)
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