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

Questo puzzle di sudoku ha 70 passaggi e viene risolto utilizzando tecniche di Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, undefined, Skyscraper, Naked Pair, 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 6 / Colonna 4 → 1 (Naked Single)
  2. Riga 3 / Colonna 4 → 6 (Hidden Single)
  3. Riga 8 / Colonna 3 → 3 (Hidden Single)
  4. Riga 9 / Colonna 9 → 3 (Hidden Single)
  5. Riga 7 / Colonna 5 → 4 (Hidden Single)
  6. Riga 6 / Colonna 3 → 9 (Hidden Single)
  7. Riga 2 / Colonna 4 → 4 (Hidden Single)
  8. Riga 6 / Colonna 6 → 3 (Hidden Single)
  9. Riga 5 / Colonna 1 → 3 (Hidden Single)
  10. Riga 3 / Colonna 1 → 4 (Hidden Single)
  11. Riga 1 / Colonna 8 → 4 (Hidden Single)
  12. Riga 8 / Colonna 4 → 9 (Hidden Single)
  13. Riga 2 / Colonna 5 → 3 (Hidden Single)
  14. Riga 1 / Colonna 1 → 9 (Hidden Single)
  15. Riga 2 / Colonna 6 → 9 (Hidden Single)
  16. Locked Candidates Type 1 (Pointing): 2 in b8 => r5c5<>2
  17. Locked Candidates Type 2 (Claiming): 7 in c4 => r4c6,r5c5<>7
  18. Naked Triple: 1,7,8 in r3c235 => r3c79<>7, r3c7<>8
  19. X-Wing: 8 r26 c28 => r345c2,r45c8<>8
  20. Skyscraper: 8 in r4c6,r5c7 (connected by r1c67) => r5c5<>8
  21. Riga 5 / Colonna 5 → 5 (Naked Single)
  22. Riga 4 / Colonna 6 → 8 (Naked Single)
  23. Riga 7 / Colonna 1 → 8 (Hidden Single)
  24. Locked Candidates Type 2 (Claiming): 5 in r7 => r8c8,r9c7<>5
  25. Locked Candidates Type 2 (Claiming): 5 in c8 => r4c9<>5
  26. X-Wing: 2 r17 c39 => r2c9,r59c3<>2
  27. Riga 2 / Colonna 9 → 7 (Naked Single)
  28. Naked Pair: 6,7 in r9c37 => r9c56<>7
  29. Locked Candidates Type 1 (Pointing): 7 in b8 => r8c28<>7
  30. Riga 3 / Colonna 2 → 7 (Hidden Single)
  31. Locked Candidates Type 1 (Pointing): 1 in b1 => r5c3<>1
  32. Locked Candidates Type 1 (Pointing): 7 in b9 => r5c7<>7
  33. 2-String Kite: 6 in r5c3,r8c8 (connected by r8c2,r9c3) => r5c8<>6
  34. Riga 5 / Colonna 8 → 7 (Naked Single)
  35. Riga 5 / Colonna 4 → 2 (Naked Single)
  36. Riga 4 / Colonna 4 → 7 (Full House)
  37. W-Wing: 8/6 in r1c7,r5c3 connected by 6 in r9c37 => r1c3,r5c7<>8
  38. Riga 5 / Colonna 3 → 8 (Hidden Single)
  39. Riga 3 / Colonna 3 → 1 (Naked Single)
  40. Riga 6 / Colonna 2 → 5 (Naked Single)
  41. Riga 6 / Colonna 8 → 8 (Full House)
  42. Riga 1 / Colonna 3 → 2 (Naked Single)
  43. Riga 2 / Colonna 2 → 8 (Full House)
  44. Riga 2 / Colonna 8 → 2 (Full House)
  45. Riga 3 / Colonna 5 → 8 (Naked Single)
  46. Riga 4 / Colonna 1 → 2 (Naked Single)
  47. Riga 9 / Colonna 1 → 5 (Full House)
  48. Riga 1 / Colonna 9 → 6 (Naked Single)
  49. Riga 7 / Colonna 3 → 7 (Naked Single)
  50. Riga 9 / Colonna 3 → 6 (Full House)
  51. Riga 8 / Colonna 2 → 2 (Full House)
  52. Riga 8 / Colonna 8 → 6 (Naked Single)
  53. Riga 4 / Colonna 8 → 5 (Full House)
  54. Riga 9 / Colonna 6 → 1 (Naked Single)
  55. Riga 1 / Colonna 7 → 8 (Naked Single)
  56. Riga 4 / Colonna 9 → 1 (Naked Single)
  57. Riga 4 / Colonna 2 → 6 (Full House)
  58. Riga 5 / Colonna 2 → 1 (Full House)
  59. Riga 7 / Colonna 7 → 5 (Naked Single)
  60. Riga 7 / Colonna 9 → 2 (Full House)
  61. Riga 9 / Colonna 7 → 7 (Full House)
  62. Riga 9 / Colonna 5 → 2 (Full House)
  63. Riga 8 / Colonna 5 → 7 (Naked Single)
  64. Riga 1 / Colonna 5 → 1 (Full House)
  65. Riga 1 / Colonna 6 → 7 (Full House)
  66. Riga 8 / Colonna 6 → 5 (Full House)
  67. Riga 5 / Colonna 9 → 9 (Naked Single)
  68. Riga 3 / Colonna 9 → 5 (Full House)
  69. Riga 3 / Colonna 7 → 9 (Full House)
  70. Riga 5 / Colonna 7 → 6 (Full House)
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