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

Questo puzzle di sudoku ha 68 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Single, Locked Pair, Full House, Locked Candidates Type 2 (Claiming), Naked Pair, Naked Triple, Skyscraper.

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

Passaggi della soluzione:

  1. Riga 4 / Colonna 7 → 3 (Hidden Single)
  2. Riga 5 / Colonna 1 → 9 (Hidden Single)
  3. Riga 2 / Colonna 3 → 9 (Hidden Single)
  4. Riga 9 / Colonna 9 → 9 (Hidden Single)
  5. Locked Candidates Type 1 (Pointing): 6 in b1 => r45c2<>6
  6. Locked Candidates Type 1 (Pointing): 4 in b2 => r1c78<>4
  7. Locked Candidates Type 1 (Pointing): 5 in b9 => r8c1356<>5
  8. Riga 8 / Colonna 3 → 7 (Naked Single)
  9. Locked Pair: 4,5 in r8c79 => r79c8,r8c146<>4
  10. Riga 2 / Colonna 8 → 4 (Hidden Single)
  11. Riga 2 / Colonna 7 → 1 (Naked Single)
  12. Riga 2 / Colonna 1 → 3 (Naked Single)
  13. Riga 2 / Colonna 9 → 6 (Naked Single)
  14. Riga 2 / Colonna 5 → 8 (Full House)
  15. Riga 8 / Colonna 1 → 8 (Naked Single)
  16. Riga 3 / Colonna 9 → 5 (Naked Single)
  17. Riga 3 / Colonna 7 → 9 (Naked Single)
  18. Riga 8 / Colonna 9 → 4 (Naked Single)
  19. Riga 1 / Colonna 7 → 7 (Naked Single)
  20. Riga 8 / Colonna 7 → 5 (Naked Single)
  21. Riga 6 / Colonna 7 → 4 (Full House)
  22. Riga 1 / Colonna 8 → 2 (Naked Single)
  23. Riga 3 / Colonna 8 → 8 (Full House)
  24. Riga 5 / Colonna 8 → 6 (Hidden Single)
  25. Riga 4 / Colonna 4 → 8 (Hidden Single)
  26. Riga 9 / Colonna 6 → 8 (Hidden Single)
  27. Riga 1 / Colonna 4 → 9 (Hidden Single)
  28. Riga 1 / Colonna 6 → 4 (Hidden Single)
  29. Locked Candidates Type 2 (Claiming): 3 in r8 => r79c4,r9c5<>3
  30. Naked Pair: 1,5 in r7c36 => r7c24<>1, r7c2<>5
  31. Naked Pair: 1,5 in r57c6 => r3c6<>1
  32. Naked Triple: 1,4,7 in r579c4 => r36c4<>1, r6c4<>7
  33. Locked Candidates Type 1 (Pointing): 1 in b2 => r469c5<>1
  34. Locked Candidates Type 1 (Pointing): 1 in b5 => r5c2<>1
  35. Skyscraper: 5 in r5c2,r7c3 (connected by r57c6) => r6c3,r9c2<>5
  36. Riga 7 / Colonna 3 → 5 (Hidden Single)
  37. Riga 7 / Colonna 6 → 1 (Naked Single)
  38. Riga 5 / Colonna 6 → 5 (Naked Single)
  39. Riga 5 / Colonna 2 → 7 (Naked Single)
  40. Riga 5 / Colonna 4 → 1 (Full House)
  41. Riga 9 / Colonna 5 → 5 (Hidden Single)
  42. Riga 1 / Colonna 2 → 5 (Hidden Single)
  43. Riga 1 / Colonna 1 → 1 (Naked Single)
  44. Riga 1 / Colonna 5 → 6 (Full House)
  45. Riga 3 / Colonna 2 → 6 (Full House)
  46. Riga 9 / Colonna 1 → 4 (Naked Single)
  47. Riga 3 / Colonna 6 → 2 (Naked Single)
  48. Riga 8 / Colonna 6 → 6 (Full House)
  49. Riga 4 / Colonna 1 → 2 (Naked Single)
  50. Riga 6 / Colonna 1 → 5 (Full House)
  51. Riga 7 / Colonna 2 → 3 (Naked Single)
  52. Riga 9 / Colonna 2 → 1 (Full House)
  53. Riga 4 / Colonna 2 → 4 (Full House)
  54. Riga 9 / Colonna 4 → 7 (Naked Single)
  55. Riga 9 / Colonna 8 → 3 (Full House)
  56. Riga 7 / Colonna 8 → 7 (Full House)
  57. Riga 7 / Colonna 4 → 4 (Full House)
  58. Riga 3 / Colonna 4 → 3 (Naked Single)
  59. Riga 3 / Colonna 5 → 1 (Full House)
  60. Riga 4 / Colonna 5 → 7 (Naked Single)
  61. Riga 8 / Colonna 4 → 2 (Naked Single)
  62. Riga 6 / Colonna 4 → 6 (Full House)
  63. Riga 6 / Colonna 5 → 2 (Full House)
  64. Riga 8 / Colonna 5 → 3 (Full House)
  65. Riga 4 / Colonna 9 → 1 (Naked Single)
  66. Riga 4 / Colonna 3 → 6 (Full House)
  67. Riga 6 / Colonna 3 → 1 (Full House)
  68. Riga 6 / Colonna 9 → 7 (Full House)
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