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

Questo puzzle di sudoku ha 76 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Hidden Rectangle, Discontinuous Nice Loop, Naked Single, Locked Candidates Type 2 (Claiming), AIC, Grouped Continuous Nice Loop, Naked Triple, Locked Triple, 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 3 / Colonna 7 → 8 (Hidden Single)
  2. Riga 8 / Colonna 6 → 3 (Hidden Single)
  3. Riga 3 / Colonna 8 → 4 (Hidden Single)
  4. Riga 8 / Colonna 5 → 6 (Hidden Single)
  5. Locked Candidates Type 1 (Pointing): 5 in b1 => r2c5<>5
  6. Locked Candidates Type 1 (Pointing): 7 in b3 => r1c46<>7
  7. Locked Candidates Type 1 (Pointing): 6 in b6 => r2c9<>6
  8. Riga 2 / Colonna 8 → 6 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 2 in b8 => r7c9<>2
  10. Locked Candidates Type 1 (Pointing): 4 in b9 => r46c9<>4
  11. Locked Candidates Type 1 (Pointing): 9 in b9 => r5c8<>9
  12. Hidden Rectangle: 1/2 in r2c79,r8c79 => r8c9<>1
  13. Discontinuous Nice Loop: 1/2/9 r2c3 =5= r2c1 =3= r2c9 =2= r8c9 =8= r8c3 =5= r2c3 => r2c3<>1, r2c3<>2, r2c3<>9
  14. Riga 2 / Colonna 3 → 5 (Naked Single)
  15. Locked Candidates Type 2 (Claiming): 2 in r2 => r1c7<>2
  16. AIC: 4 4- r4c5 =4= r6c5 =8= r6c3 -8- r8c3 =8= r8c9 =2= r8c7 -2- r2c7 -1- r6c7 -4- r5c7 =4= r5c2 -4 => r4c12<>4
  17. Hidden Rectangle: 1/4 in r4c57,r6c57 => r4c5<>1
  18. AIC: 4 4- r4c5 =4= r6c5 =8= r6c3 -8- r8c3 =8= r8c9 =2= r8c7 -2- r2c7 -1- r6c7 -4 => r4c7,r6c5<>4
  19. Riga 4 / Colonna 5 → 4 (Hidden Single)
  20. AIC: 7 7- r1c7 -1- r6c7 -4- r6c1 =4= r7c1 =7= r7c8 -7 => r1c8,r8c7<>7
  21. Riga 1 / Colonna 7 → 7 (Hidden Single)
  22. Grouped Continuous Nice Loop: 1/3 4= r5c2 =8= r79c2 -8- r8c3 =8= r8c9 =2= r8c7 -2- r2c7 -1- r6c7 -4- r6c1 =4= r5c2 =8 => r45c7,r5c2<>1, r5c2<>3
  23. Naked Triple: 1,4,8 in r579c2 => r134c2<>1
  24. Locked Candidates Type 2 (Claiming): 1 in c2 => r78c1,r8c3<>1
  25. Locked Candidates Type 2 (Claiming): 1 in r8 => r7c89,r9c89<>1
  26. Locked Triple: 2,4,8 in r789c9 => r2c9,r8c7<>2
  27. Riga 2 / Colonna 7 → 2 (Hidden Single)
  28. Riga 8 / Colonna 9 → 2 (Hidden Single)
  29. Riga 8 / Colonna 3 → 8 (Hidden Single)
  30. Riga 6 / Colonna 5 → 8 (Hidden Single)
  31. Riga 5 / Colonna 2 → 8 (Hidden Single)
  32. Riga 5 / Colonna 7 → 4 (Hidden Single)
  33. Riga 6 / Colonna 7 → 1 (Naked Single)
  34. Riga 6 / Colonna 3 → 7 (Naked Single)
  35. Riga 8 / Colonna 7 → 5 (Naked Single)
  36. Riga 4 / Colonna 7 → 9 (Full House)
  37. Riga 8 / Colonna 1 → 7 (Naked Single)
  38. Riga 8 / Colonna 8 → 1 (Full House)
  39. Riga 9 / Colonna 8 → 9 (Naked Single)
  40. Riga 1 / Colonna 8 → 3 (Naked Single)
  41. Riga 2 / Colonna 9 → 1 (Full House)
  42. Riga 7 / Colonna 8 → 7 (Naked Single)
  43. Riga 5 / Colonna 8 → 5 (Full House)
  44. Riga 2 / Colonna 5 → 9 (Naked Single)
  45. Riga 2 / Colonna 1 → 3 (Full House)
  46. Riga 5 / Colonna 6 → 1 (Naked Single)
  47. Riga 4 / Colonna 1 → 1 (Naked Single)
  48. Riga 6 / Colonna 1 → 4 (Naked Single)
  49. Riga 5 / Colonna 3 → 9 (Naked Single)
  50. Riga 5 / Colonna 4 → 3 (Full House)
  51. Riga 3 / Colonna 1 → 9 (Naked Single)
  52. Riga 7 / Colonna 1 → 5 (Full House)
  53. Riga 4 / Colonna 3 → 2 (Naked Single)
  54. Riga 3 / Colonna 3 → 1 (Full House)
  55. Riga 4 / Colonna 2 → 3 (Full House)
  56. Riga 6 / Colonna 4 → 6 (Naked Single)
  57. Riga 6 / Colonna 9 → 3 (Full House)
  58. Riga 4 / Colonna 9 → 6 (Full House)
  59. Riga 7 / Colonna 5 → 1 (Naked Single)
  60. Riga 1 / Colonna 5 → 5 (Full House)
  61. Riga 7 / Colonna 2 → 4 (Naked Single)
  62. Riga 9 / Colonna 2 → 1 (Full House)
  63. Riga 9 / Colonna 4 → 5 (Naked Single)
  64. Riga 7 / Colonna 9 → 8 (Naked Single)
  65. Riga 9 / Colonna 9 → 4 (Full House)
  66. Riga 9 / Colonna 6 → 8 (Full House)
  67. Riga 4 / Colonna 4 → 7 (Naked Single)
  68. Riga 4 / Colonna 6 → 5 (Full House)
  69. Riga 7 / Colonna 6 → 2 (Naked Single)
  70. Riga 7 / Colonna 4 → 9 (Full House)
  71. Riga 3 / Colonna 4 → 2 (Naked Single)
  72. Riga 1 / Colonna 4 → 1 (Full House)
  73. Riga 1 / Colonna 6 → 6 (Naked Single)
  74. Riga 1 / Colonna 2 → 2 (Full House)
  75. Riga 3 / Colonna 2 → 6 (Full House)
  76. Riga 3 / Colonna 6 → 7 (Full House)
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