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

Questo puzzle di sudoku ha 71 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Locked Candidates Type 1 (Pointing), Hidden Pair, Finned Swordfish, Hidden Single.

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 7 → 9 (Naked Single)
  2. Riga 7 / Colonna 9 → 4 (Naked Single)
  3. Riga 9 / Colonna 7 → 1 (Naked Single)
  4. Riga 8 / Colonna 8 → 2 (Full House)
  5. Locked Candidates Type 1 (Pointing): 2 in b1 => r3c46<>2
  6. Locked Candidates Type 1 (Pointing): 9 in b1 => r3c89<>9
  7. Hidden Pair: 2,9 in r3c23 => r3c23<>1, r3c23<>3, r3c23<>4, r3c23<>7
  8. Hidden Pair: 5,8 in r18c5 => r1c5<>3, r18c5<>4, r18c5<>7, r8c5<>9
  9. Finned Swordfish: 5 r157 c269 fr1c5 => r3c6<>5
  10. Locked Candidates Type 1 (Pointing): 5 in b2 => r1c9<>5
  11. Finned Swordfish: 8 r357 c348 fr3c7 => r1c8<>8
  12. Riga 1 / Colonna 5 → 8 (Hidden Single)
  13. Riga 8 / Colonna 5 → 5 (Naked Single)
  14. Riga 1 / Colonna 6 → 5 (Hidden Single)
  15. Riga 7 / Colonna 2 → 5 (Hidden Single)
  16. Riga 4 / Colonna 1 → 5 (Hidden Single)
  17. Riga 4 / Colonna 7 → 3 (Naked Single)
  18. Riga 2 / Colonna 7 → 7 (Naked Single)
  19. Riga 6 / Colonna 7 → 8 (Naked Single)
  20. Riga 3 / Colonna 7 → 5 (Full House)
  21. Riga 3 / Colonna 9 → 1 (Naked Single)
  22. Riga 1 / Colonna 9 → 6 (Naked Single)
  23. Riga 2 / Colonna 9 → 9 (Naked Single)
  24. Riga 4 / Colonna 9 → 2 (Naked Single)
  25. Riga 6 / Colonna 9 → 7 (Naked Single)
  26. Riga 5 / Colonna 9 → 5 (Full House)
  27. Riga 9 / Colonna 5 → 7 (Hidden Single)
  28. Riga 3 / Colonna 6 → 7 (Hidden Single)
  29. Riga 3 / Colonna 8 → 8 (Hidden Single)
  30. Riga 5 / Colonna 3 → 8 (Hidden Single)
  31. Riga 8 / Colonna 1 → 8 (Hidden Single)
  32. Riga 8 / Colonna 4 → 4 (Naked Single)
  33. Riga 3 / Colonna 4 → 3 (Naked Single)
  34. Riga 8 / Colonna 6 → 9 (Naked Single)
  35. Riga 3 / Colonna 1 → 4 (Naked Single)
  36. Riga 2 / Colonna 1 → 6 (Hidden Single)
  37. Riga 9 / Colonna 1 → 3 (Naked Single)
  38. Riga 6 / Colonna 1 → 1 (Naked Single)
  39. Riga 1 / Colonna 1 → 7 (Full House)
  40. Riga 7 / Colonna 3 → 6 (Naked Single)
  41. Riga 4 / Colonna 3 → 4 (Naked Single)
  42. Riga 7 / Colonna 4 → 8 (Naked Single)
  43. Riga 7 / Colonna 6 → 3 (Full House)
  44. Riga 4 / Colonna 2 → 6 (Naked Single)
  45. Riga 4 / Colonna 5 → 9 (Naked Single)
  46. Riga 4 / Colonna 8 → 1 (Full House)
  47. Riga 9 / Colonna 3 → 9 (Naked Single)
  48. Riga 5 / Colonna 8 → 6 (Naked Single)
  49. Riga 6 / Colonna 8 → 9 (Full House)
  50. Riga 3 / Colonna 3 → 2 (Naked Single)
  51. Riga 3 / Colonna 2 → 9 (Full House)
  52. Riga 9 / Colonna 2 → 4 (Naked Single)
  53. Riga 6 / Colonna 3 → 3 (Naked Single)
  54. Riga 1 / Colonna 3 → 1 (Naked Single)
  55. Riga 1 / Colonna 2 → 3 (Full House)
  56. Riga 8 / Colonna 3 → 7 (Full House)
  57. Riga 1 / Colonna 8 → 4 (Full House)
  58. Riga 8 / Colonna 2 → 1 (Full House)
  59. Riga 2 / Colonna 8 → 3 (Full House)
  60. Riga 6 / Colonna 2 → 2 (Naked Single)
  61. Riga 5 / Colonna 2 → 7 (Full House)
  62. Riga 6 / Colonna 5 → 4 (Naked Single)
  63. Riga 6 / Colonna 6 → 6 (Full House)
  64. Riga 2 / Colonna 5 → 2 (Naked Single)
  65. Riga 5 / Colonna 5 → 3 (Full House)
  66. Riga 9 / Colonna 6 → 2 (Naked Single)
  67. Riga 9 / Colonna 4 → 6 (Full House)
  68. Riga 2 / Colonna 4 → 1 (Naked Single)
  69. Riga 2 / Colonna 6 → 4 (Full House)
  70. Riga 5 / Colonna 6 → 1 (Full House)
  71. Riga 5 / Colonna 4 → 2 (Full House)
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