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

Questo puzzle di sudoku ha 65 passaggi e viene risolto utilizzando tecniche di Hidden Pair, Hidden Single, Naked Single, Full House, Locked Triple, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Pair, Naked Triple.

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

Passaggi della soluzione:

  1. Hidden Pair: 3,9 in r8c18 => r8c1<>1, r8c18<>6, r8c8<>7
  2. Riga 8 / Colonna 9 → 7 (Hidden Single)
  3. Riga 9 / Colonna 7 → 2 (Hidden Single)
  4. Riga 7 / Colonna 7 → 1 (Hidden Single)
  5. Riga 5 / Colonna 7 → 3 (Hidden Single)
  6. Riga 4 / Colonna 6 → 3 (Hidden Single)
  7. Riga 5 / Colonna 3 → 8 (Hidden Single)
  8. Riga 7 / Colonna 2 → 8 (Hidden Single)
  9. Riga 3 / Colonna 3 → 4 (Hidden Single)
  10. Riga 7 / Colonna 8 → 9 (Hidden Single)
  11. Riga 8 / Colonna 8 → 3 (Naked Single)
  12. Riga 8 / Colonna 1 → 9 (Naked Single)
  13. Riga 4 / Colonna 2 → 9 (Hidden Single)
  14. Riga 2 / Colonna 9 → 4 (Hidden Single)
  15. Riga 7 / Colonna 9 → 6 (Naked Single)
  16. Riga 9 / Colonna 8 → 4 (Full House)
  17. Riga 7 / Colonna 4 → 5 (Naked Single)
  18. Riga 7 / Colonna 6 → 4 (Full House)
  19. Riga 5 / Colonna 4 → 9 (Naked Single)
  20. Riga 9 / Colonna 2 → 3 (Hidden Single)
  21. Locked Triple: 1,2,4 in r456c1 => r2c1,r4c3,r6c2<>1, r3c1<>2
  22. Locked Candidates Type 1 (Pointing): 5 in b3 => r46c8<>5
  23. Locked Candidates Type 1 (Pointing): 1 in b7 => r1c3<>1
  24. Locked Candidates Type 2 (Claiming): 7 in r5 => r46c5<>7
  25. Naked Pair: 5,7 in r1c38 => r1c25<>5, r1c257<>7
  26. Riga 1 / Colonna 7 → 9 (Naked Single)
  27. Riga 3 / Colonna 5 → 9 (Hidden Single)
  28. Naked Triple: 1,2,3 in r1c5,r23c4 => r2c56<>1
  29. Riga 8 / Colonna 6 → 1 (Hidden Single)
  30. Riga 8 / Colonna 3 → 6 (Naked Single)
  31. Riga 9 / Colonna 3 → 1 (Full House)
  32. Riga 9 / Colonna 5 → 6 (Full House)
  33. Riga 8 / Colonna 4 → 2 (Naked Single)
  34. Riga 8 / Colonna 5 → 8 (Full House)
  35. Riga 3 / Colonna 4 → 3 (Naked Single)
  36. Riga 2 / Colonna 4 → 1 (Naked Single)
  37. Riga 6 / Colonna 4 → 6 (Full House)
  38. Riga 3 / Colonna 1 → 6 (Naked Single)
  39. Riga 1 / Colonna 5 → 2 (Naked Single)
  40. Riga 2 / Colonna 1 → 3 (Naked Single)
  41. Riga 1 / Colonna 2 → 1 (Naked Single)
  42. Riga 4 / Colonna 8 → 6 (Hidden Single)
  43. Riga 3 / Colonna 2 → 2 (Hidden Single)
  44. Riga 2 / Colonna 7 → 6 (Hidden Single)
  45. Riga 4 / Colonna 3 → 7 (Hidden Single)
  46. Riga 1 / Colonna 3 → 5 (Full House)
  47. Riga 1 / Colonna 8 → 7 (Full House)
  48. Riga 2 / Colonna 2 → 7 (Full House)
  49. Riga 6 / Colonna 2 → 5 (Full House)
  50. Riga 3 / Colonna 7 → 8 (Naked Single)
  51. Riga 3 / Colonna 8 → 5 (Full House)
  52. Riga 6 / Colonna 8 → 8 (Full House)
  53. Riga 6 / Colonna 7 → 7 (Full House)
  54. Riga 3 / Colonna 6 → 7 (Full House)
  55. Riga 2 / Colonna 5 → 5 (Naked Single)
  56. Riga 2 / Colonna 6 → 8 (Full House)
  57. Riga 5 / Colonna 6 → 5 (Full House)
  58. Riga 4 / Colonna 5 → 1 (Naked Single)
  59. Riga 5 / Colonna 9 → 2 (Naked Single)
  60. Riga 4 / Colonna 9 → 5 (Full House)
  61. Riga 4 / Colonna 1 → 2 (Full House)
  62. Riga 6 / Colonna 5 → 4 (Naked Single)
  63. Riga 5 / Colonna 5 → 7 (Full House)
  64. Riga 5 / Colonna 1 → 4 (Full House)
  65. Riga 6 / Colonna 1 → 1 (Full House)
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