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

Questo puzzle di sudoku ha 64 passaggi e viene risolto utilizzando tecniche di Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Naked Pair, Bivalue Universal Grave + 1.

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

Passaggi della soluzione:

  1. Riga 1 / Colonna 3 → 3 (Hidden Single)
  2. Riga 5 / Colonna 3 → 5 (Hidden Single)
  3. Riga 2 / Colonna 6 → 5 (Hidden Single)
  4. Riga 1 / Colonna 1 → 4 (Hidden Single)
  5. Riga 1 / Colonna 7 → 5 (Hidden Single)
  6. Riga 4 / Colonna 3 → 4 (Hidden Single)
  7. Riga 3 / Colonna 2 → 5 (Hidden Single)
  8. Riga 7 / Colonna 8 → 5 (Hidden Single)
  9. Riga 4 / Colonna 2 → 1 (Hidden Single)
  10. Riga 9 / Colonna 3 → 2 (Hidden Single)
  11. Riga 3 / Colonna 1 → 7 (Hidden Single)
  12. Riga 9 / Colonna 1 → 6 (Naked Single)
  13. Riga 7 / Colonna 1 → 9 (Naked Single)
  14. Riga 7 / Colonna 3 → 1 (Naked Single)
  15. Riga 2 / Colonna 2 → 8 (Hidden Single)
  16. Riga 6 / Colonna 2 → 6 (Naked Single)
  17. Riga 6 / Colonna 8 → 2 (Naked Single)
  18. Riga 2 / Colonna 8 → 6 (Naked Single)
  19. Riga 1 / Colonna 9 → 9 (Naked Single)
  20. Riga 1 / Colonna 5 → 6 (Full House)
  21. Riga 2 / Colonna 3 → 9 (Naked Single)
  22. Riga 2 / Colonna 4 → 2 (Full House)
  23. Riga 3 / Colonna 3 → 6 (Full House)
  24. Riga 8 / Colonna 4 → 1 (Hidden Single)
  25. Riga 4 / Colonna 7 → 9 (Hidden Single)
  26. Riga 5 / Colonna 5 → 2 (Hidden Single)
  27. Riga 5 / Colonna 1 → 8 (Naked Single)
  28. Riga 4 / Colonna 1 → 2 (Full House)
  29. Riga 5 / Colonna 8 → 1 (Hidden Single)
  30. Riga 4 / Colonna 9 → 8 (Hidden Single)
  31. Locked Candidates Type 1 (Pointing): 3 in b5 => r7c4<>3
  32. Locked Candidates Type 1 (Pointing): 7 in b5 => r89c6<>7
  33. Riga 9 / Colonna 6 → 8 (Naked Single)
  34. Riga 6 / Colonna 6 → 9 (Naked Single)
  35. Riga 6 / Colonna 4 → 8 (Full House)
  36. Riga 3 / Colonna 4 → 9 (Naked Single)
  37. Riga 3 / Colonna 5 → 8 (Full House)
  38. Riga 7 / Colonna 7 → 8 (Hidden Single)
  39. Riga 8 / Colonna 5 → 9 (Hidden Single)
  40. Locked Candidates Type 1 (Pointing): 6 in b6 => r5c46<>6
  41. Naked Pair: 3,7 in r7c25 => r7c9<>3
  42. Naked Pair: 3,7 in r8c28 => r8c7<>7, r8c9<>3
  43. Bivalue Universal Grave + 1 => r8c9<>2, r8c9<>4
  44. Riga 8 / Colonna 9 → 6 (Naked Single)
  45. Riga 5 / Colonna 9 → 3 (Naked Single)
  46. Riga 7 / Colonna 9 → 4 (Naked Single)
  47. Riga 8 / Colonna 6 → 4 (Naked Single)
  48. Riga 8 / Colonna 7 → 2 (Naked Single)
  49. Riga 4 / Colonna 8 → 7 (Naked Single)
  50. Riga 5 / Colonna 7 → 6 (Full House)
  51. Riga 8 / Colonna 8 → 3 (Full House)
  52. Riga 8 / Colonna 2 → 7 (Full House)
  53. Riga 7 / Colonna 2 → 3 (Full House)
  54. Riga 5 / Colonna 4 → 4 (Naked Single)
  55. Riga 5 / Colonna 6 → 7 (Full House)
  56. Riga 4 / Colonna 6 → 6 (Full House)
  57. Riga 4 / Colonna 4 → 3 (Full House)
  58. Riga 7 / Colonna 4 → 6 (Full House)
  59. Riga 7 / Colonna 5 → 7 (Full House)
  60. Riga 9 / Colonna 5 → 3 (Full House)
  61. Riga 9 / Colonna 9 → 1 (Naked Single)
  62. Riga 3 / Colonna 9 → 2 (Full House)
  63. Riga 3 / Colonna 7 → 1 (Full House)
  64. Riga 9 / Colonna 7 → 7 (Full House)
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