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

Questo puzzle di sudoku ha 67 passaggi e viene risolto utilizzando tecniche di Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), undefined, Naked Triple, Locked Candidates Type 2 (Claiming), 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 3 → 7 (Naked Single)
  2. Riga 1 / Colonna 5 → 3 (Hidden Single)
  3. Riga 3 / Colonna 7 → 5 (Hidden Single)
  4. Riga 9 / Colonna 4 → 4 (Hidden Single)
  5. Riga 1 / Colonna 9 → 7 (Hidden Single)
  6. Riga 3 / Colonna 5 → 1 (Hidden Single)
  7. Riga 3 / Colonna 6 → 8 (Hidden Single)
  8. Locked Candidates Type 1 (Pointing): 2 in b2 => r2c2<>2
  9. Locked Candidates Type 1 (Pointing): 9 in b2 => r2c28<>9
  10. Riga 8 / Colonna 2 → 9 (Hidden Single)
  11. Locked Candidates Type 1 (Pointing): 6 in b3 => r78c8<>6
  12. Locked Candidates Type 1 (Pointing): 8 in b8 => r56c5<>8
  13. X-Wing: 4 r26 c28 => r7c8<>4
  14. Riga 7 / Colonna 8 → 5 (Naked Single)
  15. Riga 8 / Colonna 8 → 1 (Naked Single)
  16. Riga 4 / Colonna 2 → 5 (Hidden Single)
  17. Riga 9 / Colonna 3 → 5 (Hidden Single)
  18. Riga 8 / Colonna 5 → 5 (Hidden Single)
  19. Riga 1 / Colonna 7 → 1 (Hidden Single)
  20. Riga 7 / Colonna 3 → 3 (Hidden Single)
  21. Locked Candidates Type 1 (Pointing): 8 in b7 => r5c1<>8
  22. Naked Triple: 2,4,6 in r7c279 => r7c15<>2, r7c15<>6
  23. XY-Chain: 6 6- r1c3 -2- r4c3 -8- r4c8 -9- r1c8 -6 => r1c1<>6
  24. XY-Chain: 2 2- r1c1 -9- r3c1 -4- r2c2 -6- r7c2 -2 => r89c1<>2
  25. Riga 7 / Colonna 2 → 2 (Hidden Single)
  26. Riga 7 / Colonna 7 → 4 (Naked Single)
  27. Riga 7 / Colonna 9 → 6 (Naked Single)
  28. Locked Candidates Type 1 (Pointing): 6 in b7 => r5c1<>6
  29. Locked Candidates Type 2 (Claiming): 2 in r6 => r4c46,r5c45<>2
  30. W-Wing: 2/9 in r1c1,r5c7 connected by 9 in r14c8 => r5c1<>2
  31. Riga 5 / Colonna 1 → 4 (Naked Single)
  32. Riga 3 / Colonna 1 → 9 (Naked Single)
  33. Riga 3 / Colonna 9 → 4 (Full House)
  34. Riga 6 / Colonna 2 → 6 (Naked Single)
  35. Riga 2 / Colonna 2 → 4 (Full House)
  36. Riga 1 / Colonna 1 → 2 (Naked Single)
  37. Riga 1 / Colonna 3 → 6 (Full House)
  38. Riga 1 / Colonna 8 → 9 (Full House)
  39. Riga 2 / Colonna 8 → 6 (Full House)
  40. Riga 6 / Colonna 5 → 2 (Naked Single)
  41. Riga 4 / Colonna 8 → 8 (Naked Single)
  42. Riga 6 / Colonna 8 → 4 (Full House)
  43. Riga 6 / Colonna 6 → 3 (Naked Single)
  44. Riga 6 / Colonna 4 → 8 (Full House)
  45. Riga 4 / Colonna 3 → 2 (Naked Single)
  46. Riga 5 / Colonna 3 → 8 (Full House)
  47. Riga 5 / Colonna 4 → 1 (Naked Single)
  48. Riga 4 / Colonna 4 → 7 (Naked Single)
  49. Riga 2 / Colonna 4 → 2 (Naked Single)
  50. Riga 8 / Colonna 4 → 3 (Full House)
  51. Riga 4 / Colonna 6 → 9 (Naked Single)
  52. Riga 4 / Colonna 9 → 1 (Full House)
  53. Riga 5 / Colonna 5 → 6 (Full House)
  54. Riga 8 / Colonna 9 → 2 (Naked Single)
  55. Riga 2 / Colonna 6 → 7 (Naked Single)
  56. Riga 2 / Colonna 5 → 9 (Full House)
  57. Riga 9 / Colonna 5 → 8 (Naked Single)
  58. Riga 7 / Colonna 5 → 7 (Full House)
  59. Riga 7 / Colonna 1 → 8 (Full House)
  60. Riga 5 / Colonna 9 → 9 (Naked Single)
  61. Riga 5 / Colonna 7 → 2 (Full House)
  62. Riga 9 / Colonna 7 → 9 (Full House)
  63. Riga 9 / Colonna 9 → 3 (Full House)
  64. Riga 8 / Colonna 6 → 6 (Naked Single)
  65. Riga 8 / Colonna 1 → 7 (Full House)
  66. Riga 9 / Colonna 1 → 6 (Full House)
  67. Riga 9 / Colonna 6 → 2 (Full House)
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