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

Questo puzzle di sudoku ha 60 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, undefined, Skyscraper.

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

Passaggi della soluzione:

  1. Riga 4 / Colonna 6 → 3 (Naked Single)
  2. Riga 5 / Colonna 6 → 4 (Naked Single)
  3. Riga 5 / Colonna 4 → 7 (Naked Single)
  4. Riga 6 / Colonna 4 → 6 (Full House)
  5. Riga 5 / Colonna 2 → 9 (Naked Single)
  6. Riga 4 / Colonna 3 → 7 (Hidden Single)
  7. Riga 1 / Colonna 3 → 5 (Hidden Single)
  8. Riga 5 / Colonna 3 → 8 (Naked Single)
  9. Riga 5 / Colonna 8 → 5 (Naked Single)
  10. Riga 5 / Colonna 7 → 3 (Full House)
  11. Riga 4 / Colonna 1 → 5 (Hidden Single)
  12. Riga 9 / Colonna 7 → 7 (Hidden Single)
  13. Riga 2 / Colonna 5 → 4 (Hidden Single)
  14. Riga 9 / Colonna 8 → 4 (Hidden Single)
  15. Riga 6 / Colonna 9 → 4 (Hidden Single)
  16. Riga 3 / Colonna 3 → 3 (Hidden Single)
  17. Riga 2 / Colonna 9 → 7 (Hidden Single)
  18. Riga 8 / Colonna 4 → 4 (Hidden Single)
  19. Riga 6 / Colonna 7 → 8 (Hidden Single)
  20. Locked Candidates Type 1 (Pointing): 2 in b8 => r9c13<>2
  21. Naked Pair: 8,9 in r7c8,r8c9 => r78c7<>9
  22. W-Wing: 1/2 in r2c1,r6c3 connected by 2 in r8c13 => r2c3<>1
  23. XY-Wing: 1/8/6 in r7c2,r9c15 => r7c56,r9c3<>6
  24. Riga 7 / Colonna 2 → 6 (Hidden Single)
  25. Riga 2 / Colonna 3 → 6 (Hidden Single)
  26. Riga 1 / Colonna 7 → 6 (Hidden Single)
  27. W-Wing: 1/2 in r2c1,r3c4 connected by 2 in r2c7,r3c8 => r2c6,r3c2<>1
  28. Riga 2 / Colonna 1 → 1 (Hidden Single)
  29. Riga 9 / Colonna 1 → 8 (Naked Single)
  30. Riga 8 / Colonna 1 → 2 (Full House)
  31. Riga 9 / Colonna 5 → 6 (Naked Single)
  32. Riga 6 / Colonna 2 → 1 (Hidden Single)
  33. Riga 6 / Colonna 3 → 2 (Full House)
  34. Riga 3 / Colonna 6 → 6 (Hidden Single)
  35. Riga 3 / Colonna 4 → 1 (Hidden Single)
  36. Skyscraper: 8 in r3c8,r8c9 (connected by r38c5) => r1c9,r7c8<>8
  37. Riga 1 / Colonna 9 → 9 (Naked Single)
  38. Riga 8 / Colonna 9 → 8 (Full House)
  39. Riga 7 / Colonna 8 → 9 (Naked Single)
  40. Riga 2 / Colonna 7 → 2 (Naked Single)
  41. Riga 2 / Colonna 6 → 9 (Full House)
  42. Riga 3 / Colonna 8 → 8 (Full House)
  43. Riga 4 / Colonna 8 → 2 (Full House)
  44. Riga 4 / Colonna 7 → 9 (Full House)
  45. Riga 8 / Colonna 5 → 5 (Naked Single)
  46. Riga 7 / Colonna 4 → 3 (Naked Single)
  47. Riga 3 / Colonna 5 → 7 (Naked Single)
  48. Riga 3 / Colonna 2 → 2 (Full House)
  49. Riga 1 / Colonna 2 → 7 (Full House)
  50. Riga 8 / Colonna 7 → 1 (Naked Single)
  51. Riga 7 / Colonna 7 → 5 (Full House)
  52. Riga 8 / Colonna 3 → 9 (Full House)
  53. Riga 9 / Colonna 3 → 1 (Full House)
  54. Riga 1 / Colonna 4 → 2 (Naked Single)
  55. Riga 9 / Colonna 4 → 9 (Full House)
  56. Riga 9 / Colonna 6 → 2 (Full House)
  57. Riga 7 / Colonna 5 → 8 (Naked Single)
  58. Riga 1 / Colonna 5 → 3 (Full House)
  59. Riga 1 / Colonna 6 → 8 (Full House)
  60. Riga 7 / Colonna 6 → 1 (Full House)
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