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

Questo puzzle di sudoku ha 69 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, Naked Single, Skyscraper, Turbot Fish, undefined, Full House, 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 7 → 3 (Hidden Single)
  2. Riga 6 / Colonna 7 → 7 (Hidden Single)
  3. Riga 3 / Colonna 7 → 9 (Hidden Single)
  4. Riga 7 / Colonna 8 → 1 (Hidden Single)
  5. Riga 6 / Colonna 5 → 1 (Hidden Single)
  6. Riga 4 / Colonna 7 → 1 (Hidden Single)
  7. Riga 9 / Colonna 9 → 9 (Hidden Single)
  8. Riga 9 / Colonna 8 → 7 (Hidden Single)
  9. Riga 6 / Colonna 3 → 3 (Hidden Single)
  10. Riga 4 / Colonna 9 → 6 (Hidden Single)
  11. Riga 9 / Colonna 2 → 3 (Hidden Single)
  12. Locked Candidates Type 1 (Pointing): 4 in b3 => r2c12356<>4
  13. Locked Candidates Type 1 (Pointing): 5 in b9 => r2c7<>5
  14. Locked Candidates Type 1 (Pointing): 6 in b9 => r2c7<>6
  15. Naked Pair: 2,4 in r4c5,r6c4 => r5c456<>2, r5c456<>4
  16. Riga 5 / Colonna 5 → 3 (Naked Single)
  17. Riga 8 / Colonna 6 → 3 (Hidden Single)
  18. Riga 8 / Colonna 1 → 7 (Hidden Single)
  19. Riga 7 / Colonna 6 → 7 (Hidden Single)
  20. Riga 2 / Colonna 2 → 7 (Hidden Single)
  21. Riga 8 / Colonna 7 → 6 (Hidden Single)
  22. Riga 9 / Colonna 1 → 6 (Hidden Single)
  23. Riga 7 / Colonna 4 → 9 (Hidden Single)
  24. Riga 5 / Colonna 4 → 6 (Naked Single)
  25. Riga 5 / Colonna 6 → 9 (Naked Single)
  26. Riga 2 / Colonna 6 → 1 (Hidden Single)
  27. Riga 1 / Colonna 2 → 1 (Hidden Single)
  28. Riga 8 / Colonna 5 → 5 (Hidden Single)
  29. Riga 9 / Colonna 7 → 5 (Hidden Single)
  30. Riga 2 / Colonna 8 → 6 (Hidden Single)
  31. Riga 1 / Colonna 6 → 6 (Hidden Single)
  32. Riga 2 / Colonna 1 → 5 (Hidden Single)
  33. Riga 4 / Colonna 2 → 5 (Hidden Single)
  34. Riga 2 / Colonna 3 → 9 (Hidden Single)
  35. Riga 4 / Colonna 1 → 9 (Hidden Single)
  36. Skyscraper: 8 in r6c1,r8c3 (connected by r68c9) => r7c1<>8
  37. Turbot Fish: 4 r1c3 =4= r4c3 -4- r4c5 =4= r6c4 => r1c4<>4
  38. Locked Candidates Type 1 (Pointing): 4 in b2 => r3c2<>4
  39. W-Wing: 2/4 in r4c3,r7c1 connected by 4 in r1c13 => r6c1,r8c3<>2
  40. Riga 8 / Colonna 3 → 8 (Naked Single)
  41. Riga 8 / Colonna 9 → 2 (Full House)
  42. Riga 7 / Colonna 7 → 8 (Full House)
  43. Riga 6 / Colonna 4 → 2 (Hidden Single)
  44. Riga 4 / Colonna 5 → 4 (Full House)
  45. Riga 4 / Colonna 3 → 2 (Full House)
  46. Riga 1 / Colonna 3 → 4 (Full House)
  47. Skyscraper: 8 in r1c1,r2c9 (connected by r6c19) => r1c8<>8
  48. X-Wing: 8 c28 r35 => r3c4<>8
  49. Bivalue Universal Grave + 1 => r3c8<>5, r3c8<>8
  50. Riga 3 / Colonna 8 → 2 (Naked Single)
  51. Riga 1 / Colonna 8 → 5 (Naked Single)
  52. Riga 5 / Colonna 8 → 8 (Full House)
  53. Riga 2 / Colonna 7 → 4 (Naked Single)
  54. Riga 2 / Colonna 9 → 8 (Full House)
  55. Riga 6 / Colonna 9 → 4 (Full House)
  56. Riga 5 / Colonna 7 → 2 (Full House)
  57. Riga 5 / Colonna 2 → 4 (Full House)
  58. Riga 2 / Colonna 5 → 2 (Full House)
  59. Riga 6 / Colonna 1 → 8 (Full House)
  60. Riga 9 / Colonna 5 → 8 (Full House)
  61. Riga 3 / Colonna 2 → 8 (Naked Single)
  62. Riga 7 / Colonna 2 → 2 (Full House)
  63. Riga 1 / Colonna 1 → 2 (Full House)
  64. Riga 1 / Colonna 4 → 8 (Full House)
  65. Riga 7 / Colonna 1 → 4 (Full House)
  66. Riga 3 / Colonna 6 → 4 (Naked Single)
  67. Riga 3 / Colonna 4 → 5 (Full House)
  68. Riga 9 / Colonna 4 → 4 (Full House)
  69. Riga 9 / Colonna 6 → 2 (Full House)
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