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

Questo puzzle di sudoku ha 74 passaggi e viene risolto utilizzando tecniche di Naked Single, Hidden Single, Locked Pair, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Hidden Pair, Empty Rectangle, undefined, AIC, Full House.

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. Riga 2 / Colonna 9 → 7 (Naked Single)
  2. Riga 2 / Colonna 3 → 6 (Naked Single)
  3. Riga 6 / Colonna 3 → 7 (Naked Single)
  4. Riga 8 / Colonna 3 → 9 (Hidden Single)
  5. Locked Pair: 2,8 in r2c12 => r2c5,r3c12<>8, r1c2<>2
  6. Locked Candidates Type 1 (Pointing): 5 in b7 => r45c2<>5
  7. Locked Candidates Type 2 (Claiming): 1 in c3 => r4c12,r5c2<>1
  8. Locked Candidates Type 2 (Claiming): 9 in c9 => r4c78,r6c78<>9
  9. Naked Triple: 6,7,8 in r5c246 => r5c8<>6, r5c8<>7
  10. Riga 4 / Colonna 8 → 7 (Hidden Single)
  11. Hidden Pair: 2,6 in r1c46 => r1c46<>4, r1c46<>7
  12. Locked Candidates Type 1 (Pointing): 4 in b2 => r4689c5<>4
  13. Locked Candidates Type 1 (Pointing): 4 in b5 => r4c12<>4
  14. Empty Rectangle: 1 in b1 (r7c28) => r3c8<>1
  15. Locked Candidates Type 1 (Pointing): 1 in b3 => r1c2<>1
  16. XYZ-Wing: 2/6/8 in r24c1,r5c2 => r6c1<>8
  17. AIC: 1 1- r8c7 -2- r7c8 =2= r6c8 =6= r9c8 -6- r8c9 -1 => r79c8,r8c125,r9c7<>1
  18. Riga 7 / Colonna 2 → 1 (Hidden Single)
  19. Riga 9 / Colonna 5 → 1 (Hidden Single)
  20. Riga 3 / Colonna 1 → 1 (Hidden Single)
  21. Riga 7 / Colonna 4 → 5 (Hidden Single)
  22. Riga 8 / Colonna 5 → 7 (Naked Single)
  23. Riga 1 / Colonna 5 → 4 (Naked Single)
  24. Riga 8 / Colonna 2 → 5 (Hidden Single)
  25. Riga 1 / Colonna 4 → 2 (Hidden Single)
  26. Riga 1 / Colonna 6 → 6 (Naked Single)
  27. Riga 1 / Colonna 2 → 7 (Hidden Single)
  28. Riga 3 / Colonna 2 → 9 (Naked Single)
  29. Riga 9 / Colonna 1 → 7 (Hidden Single)
  30. Riga 2 / Colonna 8 → 4 (Hidden Single)
  31. Locked Candidates Type 1 (Pointing): 9 in b8 => r4c6<>9
  32. 2-String Kite: 6 in r6c8,r8c1 (connected by r8c9,r9c8) => r6c1<>6
  33. W-Wing: 7/8 in r3c4,r5c6 connected by 8 in r9c46 => r3c6,r5c4<>7
  34. Riga 3 / Colonna 4 → 7 (Hidden Single)
  35. Riga 5 / Colonna 6 → 7 (Hidden Single)
  36. XY-Wing: 1/2/9 in r18c7,r7c8 => r1c8,r9c7<>9
  37. Riga 1 / Colonna 8 → 1 (Naked Single)
  38. Riga 1 / Colonna 7 → 9 (Full House)
  39. Riga 9 / Colonna 7 → 3 (Naked Single)
  40. Riga 5 / Colonna 8 → 5 (Naked Single)
  41. Riga 2 / Colonna 7 → 5 (Naked Single)
  42. Riga 3 / Colonna 8 → 3 (Full House)
  43. Riga 5 / Colonna 3 → 1 (Naked Single)
  44. Riga 4 / Colonna 3 → 5 (Full House)
  45. Riga 2 / Colonna 5 → 3 (Naked Single)
  46. Riga 3 / Colonna 6 → 8 (Naked Single)
  47. Riga 3 / Colonna 5 → 5 (Full House)
  48. Riga 4 / Colonna 6 → 3 (Hidden Single)
  49. Riga 6 / Colonna 2 → 3 (Hidden Single)
  50. Riga 9 / Colonna 4 → 8 (Hidden Single)
  51. Riga 5 / Colonna 4 → 6 (Naked Single)
  52. Riga 4 / Colonna 4 → 4 (Full House)
  53. Riga 5 / Colonna 2 → 8 (Full House)
  54. Riga 2 / Colonna 2 → 2 (Naked Single)
  55. Riga 2 / Colonna 1 → 8 (Full House)
  56. Riga 4 / Colonna 2 → 6 (Naked Single)
  57. Riga 9 / Colonna 2 → 4 (Full House)
  58. Riga 8 / Colonna 1 → 6 (Full House)
  59. Riga 4 / Colonna 1 → 2 (Naked Single)
  60. Riga 6 / Colonna 1 → 4 (Full House)
  61. Riga 9 / Colonna 6 → 9 (Naked Single)
  62. Riga 9 / Colonna 8 → 6 (Full House)
  63. Riga 8 / Colonna 9 → 1 (Naked Single)
  64. Riga 7 / Colonna 6 → 2 (Naked Single)
  65. Riga 7 / Colonna 8 → 9 (Full House)
  66. Riga 6 / Colonna 8 → 2 (Full House)
  67. Riga 8 / Colonna 7 → 2 (Full House)
  68. Riga 8 / Colonna 6 → 4 (Full House)
  69. Riga 4 / Colonna 9 → 9 (Naked Single)
  70. Riga 6 / Colonna 9 → 6 (Full House)
  71. Riga 6 / Colonna 7 → 8 (Naked Single)
  72. Riga 4 / Colonna 7 → 1 (Full House)
  73. Riga 4 / Colonna 5 → 8 (Full House)
  74. Riga 6 / Colonna 5 → 9 (Full House)
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