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

Questo puzzle di sudoku ha 67 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Pair, Skyscraper, Naked Single, Full House.

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

Passaggi della soluzione:

  1. Riga 5 / Colonna 1 → 2 (Hidden Single)
  2. Riga 2 / Colonna 4 → 7 (Hidden Single)
  3. Riga 1 / Colonna 2 → 7 (Hidden Single)
  4. Riga 8 / Colonna 8 → 7 (Hidden Single)
  5. Riga 9 / Colonna 3 → 6 (Hidden Single)
  6. Riga 1 / Colonna 6 → 5 (Hidden Single)
  7. Riga 8 / Colonna 3 → 5 (Hidden Single)
  8. Riga 6 / Colonna 1 → 6 (Hidden Single)
  9. Riga 5 / Colonna 6 → 7 (Hidden Single)
  10. Riga 6 / Colonna 9 → 5 (Hidden Single)
  11. Riga 3 / Colonna 6 → 9 (Hidden Single)
  12. Riga 5 / Colonna 5 → 9 (Hidden Single)
  13. Riga 1 / Colonna 3 → 9 (Hidden Single)
  14. Riga 9 / Colonna 6 → 1 (Hidden Single)
  15. Riga 9 / Colonna 9 → 9 (Hidden Single)
  16. Riga 8 / Colonna 9 → 1 (Hidden Single)
  17. Riga 7 / Colonna 2 → 9 (Hidden Single)
  18. Riga 5 / Colonna 9 → 3 (Hidden Single)
  19. Locked Candidates Type 1 (Pointing): 4 in b4 => r3c3<>4
  20. Locked Candidates Type 1 (Pointing): 1 in b5 => r13c4<>1
  21. Locked Candidates Type 2 (Claiming): 4 in r8 => r7c1,r9c2<>4
  22. Locked Candidates Type 2 (Claiming): 2 in c9 => r1c7,r3c8<>2
  23. Locked Candidates Type 2 (Claiming): 4 in c9 => r1c7,r3c8<>4
  24. Naked Pair: 1,6 in r1c7,r3c8 => r2c78<>1
  25. Naked Pair: 3,8 in r7c16 => r7c47<>3, r7c4<>8
  26. Riga 9 / Colonna 7 → 3 (Hidden Single)
  27. Skyscraper: 3 in r2c5,r7c6 (connected by r27c1) => r8c5<>3
  28. Riga 8 / Colonna 5 → 2 (Naked Single)
  29. Riga 7 / Colonna 4 → 4 (Naked Single)
  30. Riga 9 / Colonna 4 → 8 (Naked Single)
  31. Riga 7 / Colonna 6 → 3 (Full House)
  32. Riga 4 / Colonna 6 → 8 (Full House)
  33. Riga 9 / Colonna 2 → 2 (Naked Single)
  34. Riga 9 / Colonna 8 → 4 (Full House)
  35. Riga 7 / Colonna 1 → 8 (Naked Single)
  36. Riga 1 / Colonna 5 → 8 (Hidden Single)
  37. Skyscraper: 3 in r2c1,r4c3 (connected by r24c5) => r3c3<>3
  38. Riga 3 / Colonna 3 → 8 (Naked Single)
  39. Riga 5 / Colonna 3 → 4 (Naked Single)
  40. Riga 4 / Colonna 3 → 3 (Full House)
  41. Riga 6 / Colonna 2 → 8 (Full House)
  42. Riga 4 / Colonna 5 → 6 (Naked Single)
  43. Riga 4 / Colonna 8 → 2 (Naked Single)
  44. Riga 4 / Colonna 7 → 4 (Full House)
  45. Riga 5 / Colonna 4 → 1 (Naked Single)
  46. Riga 6 / Colonna 4 → 3 (Full House)
  47. Riga 7 / Colonna 8 → 5 (Naked Single)
  48. Riga 7 / Colonna 7 → 2 (Full House)
  49. Riga 5 / Colonna 7 → 6 (Naked Single)
  50. Riga 5 / Colonna 8 → 8 (Full House)
  51. Riga 2 / Colonna 8 → 9 (Naked Single)
  52. Riga 1 / Colonna 7 → 1 (Naked Single)
  53. Riga 2 / Colonna 7 → 5 (Naked Single)
  54. Riga 6 / Colonna 7 → 9 (Full House)
  55. Riga 6 / Colonna 8 → 1 (Full House)
  56. Riga 3 / Colonna 8 → 6 (Full House)
  57. Riga 1 / Colonna 1 → 4 (Naked Single)
  58. Riga 3 / Colonna 4 → 2 (Naked Single)
  59. Riga 1 / Colonna 4 → 6 (Full House)
  60. Riga 1 / Colonna 9 → 2 (Full House)
  61. Riga 3 / Colonna 9 → 4 (Full House)
  62. Riga 3 / Colonna 2 → 3 (Naked Single)
  63. Riga 2 / Colonna 1 → 1 (Full House)
  64. Riga 8 / Colonna 1 → 3 (Full House)
  65. Riga 3 / Colonna 5 → 1 (Full House)
  66. Riga 8 / Colonna 2 → 4 (Full House)
  67. Riga 2 / Colonna 5 → 3 (Full House)
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