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

Questo puzzle di sudoku ha 70 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Single, Locked Pair, Full House, Naked Pair, Remote Pair.

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 3 → 4 (Hidden Single)
  2. Riga 7 / Colonna 9 → 5 (Hidden Single)
  3. Riga 8 / Colonna 5 → 4 (Hidden Single)
  4. Riga 9 / Colonna 8 → 8 (Hidden Single)
  5. Riga 6 / Colonna 7 → 3 (Hidden Single)
  6. Riga 9 / Colonna 4 → 6 (Hidden Single)
  7. Riga 1 / Colonna 9 → 4 (Hidden Single)
  8. Riga 4 / Colonna 5 → 6 (Hidden Single)
  9. Riga 9 / Colonna 2 → 4 (Hidden Single)
  10. Riga 7 / Colonna 8 → 4 (Hidden Single)
  11. Riga 4 / Colonna 4 → 8 (Hidden Single)
  12. Locked Candidates Type 1 (Pointing): 5 in b5 => r5c3<>5
  13. Locked Candidates Type 1 (Pointing): 9 in b6 => r4c1<>9
  14. Locked Candidates Type 1 (Pointing): 9 in b8 => r13c6<>9
  15. Locked Candidates Type 2 (Claiming): 3 in r2 => r1c3<>3
  16. Locked Candidates Type 2 (Claiming): 9 in c1 => r78c2,r89c3<>9
  17. Riga 9 / Colonna 3 → 1 (Naked Single)
  18. Locked Pair: 2,7 in r78c2 => r56c2,r8c3<>2, r56c2,r89c1<>7
  19. Riga 9 / Colonna 1 → 9 (Naked Single)
  20. Riga 9 / Colonna 6 → 7 (Full House)
  21. Riga 7 / Colonna 6 → 9 (Hidden Single)
  22. Locked Candidates Type 1 (Pointing): 1 in b8 => r135c4<>1
  23. Locked Candidates Type 1 (Pointing): 2 in b8 => r35c4<>2
  24. Riga 3 / Colonna 4 → 3 (Naked Single)
  25. Riga 1 / Colonna 8 → 3 (Hidden Single)
  26. Riga 5 / Colonna 6 → 3 (Hidden Single)
  27. Riga 5 / Colonna 4 → 5 (Hidden Single)
  28. Riga 1 / Colonna 4 → 7 (Naked Single)
  29. Riga 1 / Colonna 6 → 5 (Hidden Single)
  30. Naked Pair: 1,7 in r7c7,r8c8 => r8c79<>1, r8c79<>7
  31. Naked Pair: 1,2 in r3c68 => r3c259<>1, r3c59<>2
  32. Riga 3 / Colonna 9 → 6 (Naked Single)
  33. Riga 8 / Colonna 9 → 9 (Naked Single)
  34. Riga 8 / Colonna 7 → 6 (Naked Single)
  35. Riga 1 / Colonna 2 → 6 (Hidden Single)
  36. Riga 4 / Colonna 7 → 9 (Hidden Single)
  37. Riga 2 / Colonna 1 → 1 (Hidden Single)
  38. Riga 4 / Colonna 1 → 7 (Naked Single)
  39. Riga 6 / Colonna 1 → 5 (Naked Single)
  40. Riga 8 / Colonna 1 → 3 (Full House)
  41. Riga 8 / Colonna 3 → 5 (Naked Single)
  42. Riga 2 / Colonna 3 → 3 (Hidden Single)
  43. Locked Candidates Type 2 (Claiming): 1 in c9 => r5c8<>1
  44. Remote Pair: 2/1 r3c8 -1- r3c6 -2- r4c6 -1- r4c9 => r2c9,r5c8<>2
  45. Riga 2 / Colonna 9 → 7 (Naked Single)
  46. Riga 5 / Colonna 8 → 7 (Naked Single)
  47. Riga 2 / Colonna 7 → 8 (Naked Single)
  48. Riga 2 / Colonna 5 → 2 (Full House)
  49. Riga 8 / Colonna 8 → 1 (Naked Single)
  50. Riga 3 / Colonna 8 → 2 (Full House)
  51. Riga 1 / Colonna 7 → 1 (Full House)
  52. Riga 7 / Colonna 7 → 7 (Full House)
  53. Riga 3 / Colonna 6 → 1 (Naked Single)
  54. Riga 4 / Colonna 6 → 2 (Full House)
  55. Riga 4 / Colonna 9 → 1 (Full House)
  56. Riga 6 / Colonna 9 → 2 (Full House)
  57. Riga 5 / Colonna 5 → 1 (Naked Single)
  58. Riga 6 / Colonna 5 → 7 (Full House)
  59. Riga 8 / Colonna 4 → 2 (Naked Single)
  60. Riga 7 / Colonna 4 → 1 (Full House)
  61. Riga 7 / Colonna 2 → 2 (Full House)
  62. Riga 8 / Colonna 2 → 7 (Full House)
  63. Riga 6 / Colonna 3 → 8 (Naked Single)
  64. Riga 6 / Colonna 2 → 1 (Full House)
  65. Riga 5 / Colonna 2 → 9 (Naked Single)
  66. Riga 3 / Colonna 2 → 8 (Full House)
  67. Riga 1 / Colonna 3 → 9 (Full House)
  68. Riga 5 / Colonna 3 → 2 (Full House)
  69. Riga 3 / Colonna 5 → 9 (Full House)
  70. Riga 1 / Colonna 5 → 8 (Full House)
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