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

Questo puzzle di sudoku ha 77 passaggi e viene risolto utilizzando tecniche di Locked Candidates Type 1 (Pointing), Hidden Pair, Hidden Single, Naked Pair, Naked Single, Naked Triple, Locked Candidates Type 2 (Claiming), Locked Pair, Full House, undefined.

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

Passaggi della soluzione:

  1. Locked Candidates Type 1 (Pointing): 6 in b4 => r5c4589<>6
  2. Locked Candidates Type 1 (Pointing): 8 in b4 => r137c1<>8
  3. Hidden Pair: 7,9 in r8c6,r9c5 => r8c6,r9c5<>1, r8c6<>5, r9c5<>4
  4. Hidden Pair: 2,9 in r69c7 => r69c7<>1, r69c7<>5, r6c7<>6, r6c7<>7
  5. Riga 7 / Colonna 7 → 1 (Hidden Single)
  6. Locked Candidates Type 1 (Pointing): 1 in b8 => r2356c4<>1
  7. Naked Pair: 4,5 in r7c16 => r7c35<>4, r7c38<>5
  8. Riga 7 / Colonna 5 → 3 (Naked Single)
  9. Naked Triple: 1,4,5 in r589c4 => r23c4<>4, r6c4<>5
  10. Hidden Pair: 1,9 in r2c36 => r2c36<>4, r2c3<>7, r2c36<>8, r2c6<>2
  11. Riga 2 / Colonna 2 → 2 (Hidden Single)
  12. Riga 8 / Colonna 1 → 2 (Hidden Single)
  13. Riga 3 / Colonna 1 → 1 (Hidden Single)
  14. Riga 2 / Colonna 3 → 9 (Naked Single)
  15. Riga 2 / Colonna 6 → 1 (Naked Single)
  16. Locked Candidates Type 1 (Pointing): 7 in b1 => r3c78<>7
  17. Locked Candidates Type 2 (Claiming): 4 in r2 => r3c8<>4
  18. Locked Candidates Type 2 (Claiming): 7 in c1 => r5c23<>7
  19. Locked Pair: 5,6 in r5c23 => r456c1,r5c489<>5
  20. Riga 5 / Colonna 4 → 4 (Naked Single)
  21. Riga 5 / Colonna 9 → 1 (Naked Single)
  22. Riga 9 / Colonna 3 → 4 (Hidden Single)
  23. Riga 7 / Colonna 1 → 5 (Naked Single)
  24. Riga 1 / Colonna 1 → 4 (Naked Single)
  25. Riga 7 / Colonna 6 → 4 (Naked Single)
  26. Riga 6 / Colonna 5 → 1 (Hidden Single)
  27. Riga 9 / Colonna 4 → 1 (Hidden Single)
  28. Riga 8 / Colonna 4 → 5 (Naked Single)
  29. Riga 8 / Colonna 3 → 1 (Hidden Single)
  30. Riga 3 / Colonna 5 → 4 (Hidden Single)
  31. Riga 3 / Colonna 3 → 7 (Hidden Single)
  32. Riga 3 / Colonna 6 → 9 (Hidden Single)
  33. Riga 8 / Colonna 6 → 7 (Naked Single)
  34. Riga 9 / Colonna 5 → 9 (Full House)
  35. Riga 8 / Colonna 2 → 6 (Naked Single)
  36. Riga 9 / Colonna 7 → 2 (Naked Single)
  37. Riga 5 / Colonna 2 → 5 (Naked Single)
  38. Riga 7 / Colonna 3 → 8 (Naked Single)
  39. Riga 7 / Colonna 8 → 6 (Full House)
  40. Riga 9 / Colonna 2 → 7 (Full House)
  41. Riga 8 / Colonna 9 → 3 (Naked Single)
  42. Riga 8 / Colonna 8 → 9 (Full House)
  43. Riga 6 / Colonna 7 → 9 (Naked Single)
  44. Riga 5 / Colonna 3 → 6 (Naked Single)
  45. Riga 1 / Colonna 3 → 5 (Full House)
  46. Riga 5 / Colonna 1 → 9 (Hidden Single)
  47. Locked Candidates Type 1 (Pointing): 6 in b3 => r4c7<>6
  48. W-Wing: 3/8 in r2c4,r3c2 connected by 8 in r1c26 => r3c4<>3
  49. Riga 2 / Colonna 4 → 3 (Hidden Single)
  50. Riga 2 / Colonna 7 → 7 (Naked Single)
  51. Locked Candidates Type 2 (Claiming): 8 in r2 => r3c8<>8
  52. XY-Wing: 6/7/8 in r4c15,r6c4 => r4c6,r6c1<>8
  53. Riga 4 / Colonna 6 → 5 (Naked Single)
  54. Riga 6 / Colonna 1 → 7 (Naked Single)
  55. Riga 4 / Colonna 1 → 8 (Full House)
  56. Riga 4 / Colonna 7 → 3 (Naked Single)
  57. Riga 1 / Colonna 7 → 6 (Naked Single)
  58. Riga 3 / Colonna 7 → 5 (Full House)
  59. Riga 1 / Colonna 5 → 2 (Naked Single)
  60. Riga 3 / Colonna 8 → 3 (Naked Single)
  61. Riga 1 / Colonna 6 → 8 (Naked Single)
  62. Riga 1 / Colonna 2 → 3 (Full House)
  63. Riga 3 / Colonna 2 → 8 (Full House)
  64. Riga 3 / Colonna 4 → 6 (Full House)
  65. Riga 6 / Colonna 6 → 2 (Full House)
  66. Riga 6 / Colonna 4 → 8 (Full House)
  67. Riga 5 / Colonna 5 → 7 (Naked Single)
  68. Riga 4 / Colonna 5 → 6 (Full House)
  69. Riga 5 / Colonna 8 → 2 (Full House)
  70. Riga 6 / Colonna 8 → 5 (Naked Single)
  71. Riga 6 / Colonna 9 → 6 (Full House)
  72. Riga 4 / Colonna 9 → 4 (Naked Single)
  73. Riga 4 / Colonna 8 → 7 (Full House)
  74. Riga 9 / Colonna 8 → 8 (Naked Single)
  75. Riga 2 / Colonna 8 → 4 (Full House)
  76. Riga 2 / Colonna 9 → 8 (Full House)
  77. Riga 9 / Colonna 9 → 5 (Full House)
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