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

Questo puzzle di sudoku ha 72 passaggi e viene risolto utilizzando tecniche di Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, Locked Candidates Type 2 (Claiming), Hidden Pair, undefined, Discontinuous Nice Loop, AIC, Locked Pair, Full House.

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

Passaggi della soluzione:

  1. Riga 3 / Colonna 9 → 1 (Naked Single)
  2. Riga 9 / Colonna 3 → 9 (Hidden Single)
  3. Riga 2 / Colonna 1 → 9 (Hidden Single)
  4. Riga 8 / Colonna 5 → 8 (Hidden Single)
  5. Riga 9 / Colonna 8 → 4 (Hidden Single)
  6. Riga 8 / Colonna 3 → 7 (Hidden Single)
  7. Riga 2 / Colonna 5 → 6 (Hidden Single)
  8. Riga 7 / Colonna 4 → 6 (Hidden Single)
  9. Riga 1 / Colonna 2 → 4 (Hidden Single)
  10. Riga 4 / Colonna 9 → 7 (Hidden Single)
  11. Riga 7 / Colonna 7 → 7 (Hidden Single)
  12. Riga 5 / Colonna 5 → 7 (Hidden Single)
  13. Locked Candidates Type 1 (Pointing): 9 in b3 => r56c8<>9
  14. Locked Candidates Type 1 (Pointing): 2 in b5 => r123c4<>2
  15. Locked Candidates Type 1 (Pointing): 5 in b5 => r23c4<>5
  16. Locked Candidates Type 1 (Pointing): 3 in b7 => r5c2<>3
  17. Naked Pair: 1,3 in r4c57 => r4c1348<>1, r4c348<>3
  18. Riga 6 / Colonna 3 → 3 (Hidden Single)
  19. Locked Candidates Type 2 (Claiming): 1 in c3 => r2c2<>1
  20. Hidden Pair: 2,5 in r46c4 => r46c4<>8, r6c4<>1, r6c4<>9
  21. Riga 6 / Colonna 8 → 8 (Hidden Single)
  22. Riga 4 / Colonna 3 → 8 (Hidden Single)
  23. Riga 2 / Colonna 2 → 8 (Hidden Single)
  24. Riga 3 / Colonna 3 → 6 (Hidden Single)
  25. Riga 2 / Colonna 6 → 5 (Hidden Single)
  26. Riga 3 / Colonna 2 → 5 (Hidden Single)
  27. Locked Candidates Type 1 (Pointing): 2 in b4 => r8c1<>2
  28. XYZ-Wing: 1/3/6 in r4c7,r5c28 => r5c7<>1
  29. Discontinuous Nice Loop: 3 r8c2 -3- r8c9 -5- r8c8 =5= r4c8 =6= r4c1 -6- r8c1 =6= r8c2 => r8c2<>3
  30. Locked Candidates Type 2 (Claiming): 3 in r8 => r7c8<>3
  31. AIC: 1 1- r4c7 -3- r4c5 =3= r1c5 -3- r2c4 -1- r2c3 -2- r2c7 =2= r8c7 -2- r7c8 -1 => r5c8,r8c7<>1
  32. XY-Chain: 3 3- r2c9 -4- r6c9 -5- r4c8 -6- r5c8 -3 => r1c8<>3
  33. Locked Pair: 2,9 in r13c8 => r2c7,r78c8<>2
  34. Riga 7 / Colonna 8 → 1 (Naked Single)
  35. Riga 7 / Colonna 6 → 3 (Naked Single)
  36. Riga 7 / Colonna 2 → 2 (Full House)
  37. Riga 8 / Colonna 7 → 2 (Hidden Single)
  38. Riga 2 / Colonna 3 → 2 (Hidden Single)
  39. Riga 1 / Colonna 3 → 1 (Full House)
  40. Riga 9 / Colonna 2 → 3 (Hidden Single)
  41. Riga 2 / Colonna 4 → 1 (Hidden Single)
  42. Riga 9 / Colonna 4 → 7 (Naked Single)
  43. Riga 9 / Colonna 6 → 1 (Full House)
  44. Riga 3 / Colonna 4 → 9 (Naked Single)
  45. Riga 5 / Colonna 6 → 8 (Naked Single)
  46. Riga 1 / Colonna 5 → 3 (Naked Single)
  47. Riga 3 / Colonna 8 → 2 (Naked Single)
  48. Riga 3 / Colonna 6 → 7 (Full House)
  49. Riga 1 / Colonna 6 → 2 (Full House)
  50. Riga 1 / Colonna 4 → 8 (Full House)
  51. Riga 1 / Colonna 8 → 9 (Full House)
  52. Riga 5 / Colonna 4 → 3 (Naked Single)
  53. Riga 4 / Colonna 5 → 1 (Naked Single)
  54. Riga 6 / Colonna 5 → 9 (Full House)
  55. Riga 5 / Colonna 8 → 6 (Naked Single)
  56. Riga 4 / Colonna 7 → 3 (Naked Single)
  57. Riga 4 / Colonna 8 → 5 (Naked Single)
  58. Riga 8 / Colonna 8 → 3 (Full House)
  59. Riga 8 / Colonna 9 → 5 (Full House)
  60. Riga 5 / Colonna 2 → 1 (Naked Single)
  61. Riga 8 / Colonna 2 → 6 (Full House)
  62. Riga 8 / Colonna 1 → 1 (Full House)
  63. Riga 2 / Colonna 7 → 4 (Naked Single)
  64. Riga 2 / Colonna 9 → 3 (Full House)
  65. Riga 6 / Colonna 9 → 4 (Full House)
  66. Riga 4 / Colonna 4 → 2 (Naked Single)
  67. Riga 4 / Colonna 1 → 6 (Full House)
  68. Riga 6 / Colonna 4 → 5 (Full House)
  69. Riga 5 / Colonna 1 → 4 (Naked Single)
  70. Riga 5 / Colonna 7 → 9 (Full House)
  71. Riga 6 / Colonna 7 → 1 (Full House)
  72. Riga 6 / Colonna 1 → 2 (Full House)
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