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

Questo puzzle di sudoku ha 72 passaggi e viene risolto utilizzando tecniche di Hidden Single, Naked Single, Locked Candidates Type 1 (Pointing), Full House, Naked Triple, undefined, Hidden Rectangle, Locked Candidates Type 2 (Claiming), Naked Pair, Uniqueness Test 3.

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

Passaggi della soluzione:

  1. Riga 3 / Colonna 1 → 1 (Hidden Single)
  2. Riga 7 / Colonna 6 → 8 (Hidden Single)
  3. Riga 2 / Colonna 8 → 4 (Hidden Single)
  4. Riga 7 / Colonna 2 → 1 (Hidden Single)
  5. Riga 2 / Colonna 4 → 8 (Hidden Single)
  6. Riga 1 / Colonna 2 → 4 (Hidden Single)
  7. Riga 3 / Colonna 5 → 4 (Hidden Single)
  8. Riga 9 / Colonna 6 → 4 (Hidden Single)
  9. Riga 5 / Colonna 4 → 4 (Hidden Single)
  10. Riga 7 / Colonna 9 → 4 (Hidden Single)
  11. Riga 3 / Colonna 3 → 9 (Hidden Single)
  12. Riga 2 / Colonna 2 → 3 (Naked Single)
  13. Riga 2 / Colonna 5 → 9 (Hidden Single)
  14. Riga 5 / Colonna 9 → 1 (Hidden Single)
  15. Riga 6 / Colonna 9 → 8 (Hidden Single)
  16. Locked Candidates Type 1 (Pointing): 2 in b1 => r1c4679<>2
  17. Riga 2 / Colonna 6 → 2 (Hidden Single)
  18. Riga 2 / Colonna 9 → 5 (Full House)
  19. Riga 9 / Colonna 7 → 5 (Hidden Single)
  20. Locked Candidates Type 1 (Pointing): 3 in b2 => r1c79<>3
  21. Locked Candidates Type 1 (Pointing): 9 in b6 => r4c2<>9
  22. Naked Triple: 3,6,7 in r79c5,r8c6 => r89c4<>3, r89c4<>7
  23. Locked Candidates Type 1 (Pointing): 7 in b8 => r5c5<>7
  24. W-Wing: 7/6 in r1c7,r4c2 connected by 6 in r14c9 => r4c7<>7
  25. Hidden Rectangle: 1/3 in r1c46,r4c46 => r4c6<>3
  26. Finned X-Wing: 6 r68 c26 fr6c1 => r4c2<>6
  27. Riga 4 / Colonna 2 → 7 (Naked Single)
  28. Riga 6 / Colonna 4 → 7 (Hidden Single)
  29. Locked Candidates Type 2 (Claiming): 7 in r8 => r7c7,r9c9<>7
  30. XY-Wing: 1/6/3 in r4c46,r8c6 => r6c6<>3
  31. XY-Wing: 5/6/3 in r6c68,r8c6 => r8c8<>3
  32. Locked Candidates Type 2 (Claiming): 3 in c8 => r4c79,r5c7<>3
  33. Naked Pair: 6,7 in r15c7 => r4c7<>6
  34. Uniqueness Test 3: 1/3 in r1c46,r4c46 => r8c6<>6
  35. Riga 8 / Colonna 6 → 3 (Naked Single)
  36. Riga 7 / Colonna 5 → 7 (Naked Single)
  37. Riga 9 / Colonna 5 → 6 (Naked Single)
  38. Riga 8 / Colonna 2 → 6 (Hidden Single)
  39. Riga 6 / Colonna 2 → 9 (Full House)
  40. Riga 9 / Colonna 3 → 7 (Hidden Single)
  41. W-Wing: 5/3 in r5c5,r6c8 connected by 3 in r4c48 => r5c8,r6c6<>5
  42. Riga 6 / Colonna 6 → 6 (Naked Single)
  43. Riga 4 / Colonna 6 → 1 (Naked Single)
  44. Riga 1 / Colonna 6 → 5 (Full House)
  45. Riga 6 / Colonna 1 → 3 (Naked Single)
  46. Riga 6 / Colonna 8 → 5 (Full House)
  47. Riga 4 / Colonna 4 → 3 (Naked Single)
  48. Riga 5 / Colonna 5 → 5 (Full House)
  49. Riga 1 / Colonna 5 → 3 (Full House)
  50. Riga 1 / Colonna 4 → 1 (Full House)
  51. Riga 5 / Colonna 3 → 8 (Naked Single)
  52. Riga 5 / Colonna 1 → 6 (Full House)
  53. Riga 4 / Colonna 8 → 2 (Naked Single)
  54. Riga 1 / Colonna 3 → 2 (Naked Single)
  55. Riga 1 / Colonna 1 → 8 (Full House)
  56. Riga 7 / Colonna 3 → 3 (Full House)
  57. Riga 5 / Colonna 7 → 7 (Naked Single)
  58. Riga 5 / Colonna 8 → 3 (Full House)
  59. Riga 8 / Colonna 8 → 7 (Full House)
  60. Riga 4 / Colonna 7 → 9 (Naked Single)
  61. Riga 4 / Colonna 9 → 6 (Full House)
  62. Riga 1 / Colonna 7 → 6 (Naked Single)
  63. Riga 1 / Colonna 9 → 7 (Full House)
  64. Riga 7 / Colonna 7 → 2 (Naked Single)
  65. Riga 3 / Colonna 7 → 3 (Full House)
  66. Riga 7 / Colonna 1 → 9 (Full House)
  67. Riga 3 / Colonna 9 → 2 (Full House)
  68. Riga 9 / Colonna 1 → 2 (Full House)
  69. Riga 8 / Colonna 9 → 9 (Naked Single)
  70. Riga 8 / Colonna 4 → 2 (Full House)
  71. Riga 9 / Colonna 4 → 9 (Full House)
  72. Riga 9 / Colonna 9 → 3 (Full House)
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