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

Questo puzzle di sudoku ha 69 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, Naked Single, Hidden Pair, Skyscraper, Full House.

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

Passaggi della soluzione:

  1. Riga 7 / Colonna 2 → 5 (Hidden Single)
  2. Riga 3 / Colonna 8 → 5 (Hidden Single)
  3. Riga 5 / Colonna 8 → 2 (Hidden Single)
  4. Riga 6 / Colonna 6 → 2 (Hidden Single)
  5. Riga 9 / Colonna 4 → 2 (Hidden Single)
  6. Locked Candidates Type 1 (Pointing): 9 in b4 => r6c79<>9
  7. Locked Candidates Type 1 (Pointing): 4 in b6 => r789c7<>4
  8. Locked Candidates Type 1 (Pointing): 1 in b9 => r23c7<>1
  9. Locked Candidates Type 1 (Pointing): 6 in b9 => r45c7<>6
  10. Naked Pair: 4,7 in r47c3 => r268c3<>4, r268c3<>7
  11. Riga 8 / Colonna 3 → 2 (Naked Single)
  12. Hidden Pair: 3,6 in r4c1,r5c2 => r4c1<>4, r4c1,r5c2<>7, r5c2<>1
  13. Locked Candidates Type 1 (Pointing): 1 in b4 => r6c5<>1
  14. Hidden Pair: 4,5 in r46c7 => r46c7<>7, r46c7<>8
  15. Locked Candidates Type 1 (Pointing): 8 in b6 => r1c9<>8
  16. Hidden Pair: 1,6 in r78c7 => r78c7<>7, r78c7<>8
  17. Locked Candidates Type 1 (Pointing): 7 in b9 => r1c8<>7
  18. Skyscraper: 3 in r4c1,r5c4 (connected by r7c14) => r4c56,r5c2<>3
  19. Riga 5 / Colonna 2 → 6 (Naked Single)
  20. Riga 4 / Colonna 1 → 3 (Naked Single)
  21. Riga 2 / Colonna 5 → 3 (Hidden Single)
  22. Riga 9 / Colonna 2 → 3 (Hidden Single)
  23. Riga 4 / Colonna 9 → 6 (Hidden Single)
  24. Riga 6 / Colonna 9 → 8 (Hidden Single)
  25. Riga 6 / Colonna 5 → 5 (Naked Single)
  26. Riga 4 / Colonna 5 → 8 (Naked Single)
  27. Riga 6 / Colonna 7 → 4 (Naked Single)
  28. Riga 4 / Colonna 6 → 7 (Naked Single)
  29. Riga 4 / Colonna 7 → 5 (Naked Single)
  30. Riga 4 / Colonna 3 → 4 (Full House)
  31. Riga 7 / Colonna 3 → 7 (Naked Single)
  32. Riga 8 / Colonna 6 → 5 (Hidden Single)
  33. Riga 1 / Colonna 2 → 4 (Hidden Single)
  34. Riga 8 / Colonna 8 → 7 (Hidden Single)
  35. Riga 2 / Colonna 6 → 4 (Hidden Single)
  36. Riga 9 / Colonna 6 → 8 (Naked Single)
  37. Riga 9 / Colonna 7 → 9 (Naked Single)
  38. Riga 9 / Colonna 8 → 4 (Full House)
  39. Riga 5 / Colonna 7 → 7 (Naked Single)
  40. Riga 5 / Colonna 9 → 9 (Full House)
  41. Riga 7 / Colonna 8 → 8 (Naked Single)
  42. Riga 1 / Colonna 8 → 9 (Full House)
  43. Riga 2 / Colonna 7 → 2 (Naked Single)
  44. Riga 7 / Colonna 1 → 4 (Naked Single)
  45. Riga 8 / Colonna 1 → 8 (Full House)
  46. Riga 3 / Colonna 7 → 8 (Naked Single)
  47. Riga 1 / Colonna 4 → 8 (Hidden Single)
  48. Riga 3 / Colonna 6 → 9 (Hidden Single)
  49. Riga 3 / Colonna 1 → 2 (Hidden Single)
  50. Riga 8 / Colonna 4 → 4 (Hidden Single)
  51. Riga 3 / Colonna 4 → 7 (Hidden Single)
  52. Riga 3 / Colonna 2 → 1 (Naked Single)
  53. Riga 3 / Colonna 5 → 6 (Full House)
  54. Riga 6 / Colonna 2 → 7 (Full House)
  55. Riga 1 / Colonna 6 → 1 (Full House)
  56. Riga 8 / Colonna 5 → 1 (Full House)
  57. Riga 8 / Colonna 7 → 6 (Full House)
  58. Riga 7 / Colonna 7 → 1 (Full House)
  59. Riga 2 / Colonna 3 → 9 (Naked Single)
  60. Riga 6 / Colonna 3 → 1 (Full House)
  61. Riga 6 / Colonna 1 → 9 (Full House)
  62. Riga 1 / Colonna 9 → 7 (Naked Single)
  63. Riga 1 / Colonna 1 → 6 (Full House)
  64. Riga 2 / Colonna 1 → 7 (Full House)
  65. Riga 2 / Colonna 9 → 1 (Full House)
  66. Riga 5 / Colonna 6 → 3 (Naked Single)
  67. Riga 5 / Colonna 4 → 1 (Full House)
  68. Riga 7 / Colonna 4 → 3 (Full House)
  69. Riga 7 / Colonna 6 → 6 (Full House)
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