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

Questo puzzle di sudoku ha 65 passaggi e viene risolto utilizzando tecniche di Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Empty Rectangle, undefined, 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 6 → 5 (Hidden Single)
  2. Riga 8 / Colonna 6 → 2 (Naked Single)
  3. Riga 7 / Colonna 5 → 6 (Naked Single)
  4. Riga 8 / Colonna 8 → 8 (Naked Single)
  5. Riga 9 / Colonna 5 → 4 (Naked Single)
  6. Riga 9 / Colonna 6 → 3 (Naked Single)
  7. Riga 8 / Colonna 4 → 5 (Full House)
  8. Riga 3 / Colonna 5 → 7 (Hidden Single)
  9. Riga 1 / Colonna 7 → 6 (Hidden Single)
  10. Riga 6 / Colonna 4 → 4 (Hidden Single)
  11. Riga 3 / Colonna 3 → 1 (Hidden Single)
  12. Riga 1 / Colonna 5 → 1 (Hidden Single)
  13. Riga 6 / Colonna 6 → 9 (Hidden Single)
  14. Riga 2 / Colonna 6 → 6 (Naked Single)
  15. Riga 4 / Colonna 6 → 1 (Full House)
  16. Riga 4 / Colonna 4 → 6 (Hidden Single)
  17. Locked Candidates Type 1 (Pointing): 3 in b3 => r46c9<>3
  18. Locked Candidates Type 1 (Pointing): 8 in b3 => r3c1<>8
  19. Locked Candidates Type 1 (Pointing): 7 in b9 => r7c13<>7
  20. Riga 2 / Colonna 1 → 7 (Hidden Single)
  21. Riga 2 / Colonna 2 → 8 (Hidden Single)
  22. Riga 9 / Colonna 1 → 8 (Hidden Single)
  23. Riga 9 / Colonna 3 → 6 (Hidden Single)
  24. Riga 5 / Colonna 1 → 6 (Hidden Single)
  25. Riga 6 / Colonna 8 → 6 (Hidden Single)
  26. Riga 1 / Colonna 1 → 4 (Hidden Single)
  27. Riga 4 / Colonna 8 → 3 (Hidden Single)
  28. Locked Candidates Type 1 (Pointing): 9 in b1 => r1c9<>9
  29. Empty Rectangle: 2 in b7 (r4c29) => r7c9<>2
  30. XY-Wing: 2/7/4 in r48c2,r5c3 => r5c2,r8c3<>4
  31. Riga 8 / Colonna 3 → 7 (Naked Single)
  32. Riga 8 / Colonna 2 → 4 (Full House)
  33. Riga 5 / Colonna 3 → 4 (Hidden Single)
  34. W-Wing: 2/3 in r1c9,r6c3 connected by 3 in r16c2 => r1c3,r6c9<>2
  35. X-Wing: 2 r14 c29 => r359c9,r569c2<>2
  36. Riga 5 / Colonna 2 → 1 (Naked Single)
  37. Riga 9 / Colonna 2 → 9 (Naked Single)
  38. Riga 9 / Colonna 8 → 1 (Hidden Single)
  39. Riga 9 / Colonna 9 → 5 (Naked Single)
  40. Riga 9 / Colonna 7 → 2 (Full House)
  41. Riga 6 / Colonna 9 → 1 (Hidden Single)
  42. Riga 1 / Colonna 3 → 9 (Hidden Single)
  43. Riga 5 / Colonna 7 → 5 (Hidden Single)
  44. Bivalue Universal Grave + 1 => r3c9<>3, r3c9<>8
  45. Riga 3 / Colonna 9 → 9 (Naked Single)
  46. Riga 2 / Colonna 8 → 2 (Naked Single)
  47. Riga 2 / Colonna 4 → 9 (Full House)
  48. Riga 3 / Colonna 4 → 2 (Full House)
  49. Riga 5 / Colonna 8 → 9 (Full House)
  50. Riga 3 / Colonna 7 → 8 (Naked Single)
  51. Riga 1 / Colonna 9 → 3 (Full House)
  52. Riga 3 / Colonna 1 → 3 (Full House)
  53. Riga 1 / Colonna 2 → 2 (Full House)
  54. Riga 7 / Colonna 1 → 2 (Full House)
  55. Riga 7 / Colonna 3 → 3 (Full House)
  56. Riga 6 / Colonna 3 → 2 (Full House)
  57. Riga 5 / Colonna 9 → 8 (Naked Single)
  58. Riga 5 / Colonna 5 → 2 (Full House)
  59. Riga 6 / Colonna 5 → 8 (Full House)
  60. Riga 7 / Colonna 9 → 7 (Naked Single)
  61. Riga 4 / Colonna 9 → 2 (Full House)
  62. Riga 6 / Colonna 7 → 7 (Full House)
  63. Riga 4 / Colonna 2 → 7 (Full House)
  64. Riga 7 / Colonna 7 → 9 (Full House)
  65. Riga 6 / Colonna 2 → 3 (Full House)
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