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

Questo puzzle di sudoku ha 89 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), undefined, Locked Pair, Naked Triple, Empty Rectangle, AIC, Uniqueness Test 4, Hidden Rectangle, Naked Single, Continuous Nice Loop, 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 6 / Colonna 7 → 1 (Hidden Single)
  2. Riga 4 / Colonna 8 → 2 (Hidden Single)
  3. Riga 2 / Colonna 5 → 5 (Hidden Single)
  4. Riga 8 / Colonna 9 → 2 (Hidden Single)
  5. Riga 3 / Colonna 7 → 8 (Hidden Single)
  6. Riga 7 / Colonna 5 → 2 (Hidden Single)
  7. Riga 7 / Colonna 4 → 3 (Hidden Single)
  8. Riga 8 / Colonna 4 → 4 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 3 in b2 => r4c6<>3
  10. Locked Candidates Type 1 (Pointing): 7 in b2 => r4c6<>7
  11. Locked Candidates Type 1 (Pointing): 3 in b6 => r5c5<>3
  12. Locked Candidates Type 1 (Pointing): 5 in b7 => r3c2<>5
  13. Locked Candidates Type 1 (Pointing): 8 in b8 => r8c1<>8
  14. Locked Candidates Type 2 (Claiming): 1 in r7 => r89c2<>1
  15. Locked Candidates Type 2 (Claiming): 6 in c4 => r123c6<>6
  16. XYZ-Wing: 4/5/6 in r79c7,r9c2 => r9c9<>4
  17. Locked Candidates Type 1 (Pointing): 4 in b9 => r45c7<>4
  18. Locked Pair: 7,9 in r45c7 => r1c7,r5c9<>7, r1c7,r5c8<>9
  19. Locked Candidates Type 1 (Pointing): 4 in b6 => r5c3<>4
  20. Naked Triple: 1,6,9 in r9c569 => r9c7<>6
  21. Empty Rectangle: 6 in b7 (r17c7) => r1c1<>6
  22. AIC: 4 4- r3c1 =4= r7c1 =8= r7c3 -8- r5c3 =8= r5c5 -8- r8c5 -6- r8c1 -7- r8c2 -5- r9c2 -4 => r23c2,r7c1<>4
  23. Riga 3 / Colonna 1 → 4 (Hidden Single)
  24. Locked Candidates Type 1 (Pointing): 6 in b1 => r7c3<>6
  25. Uniqueness Test 4: 3/4 in r2c89,r5c89 => r2c89<>3
  26. AIC: 7 7- r1c1 -3- r2c2 =3= r2c6 =8= r8c6 -8- r8c5 -6- r8c1 =6= r7c1 =8= r7c3 -8- r5c3 -7 => r123c3,r6c1<>7
  27. Locked Candidates Type 2 (Claiming): 7 in c3 => r46c2<>7
  28. XY-Chain: 8 8- r6c1 -3- r1c1 -7- r8c1 -6- r8c5 -8 => r6c5<>8
  29. XY-Chain: 6 6- r4c6 -9- r6c4 -8- r6c1 -3- r1c1 -7- r8c1 -6 => r8c6<>6
  30. Hidden Rectangle: 6/9 in r4c56,r9c56 => r4c6<>9
  31. Riga 4 / Colonna 6 → 6 (Naked Single)
  32. Continuous Nice Loop: 3/7 8= r2c6 =3= r2c2 -3- r1c1 -7- r8c1 -6- r8c5 -8- r8c6 =8= r2c6 =3 => r3c2<>3, r2c6<>7
  33. AIC: 6 6- r1c7 -5- r9c7 =5= r8c8 =1= r8c6 =8= r2c6 -8- r2c4 -6 => r1c4,r2c9<>6
  34. XY-Chain: 2 2- r1c4 -9- r6c4 -8- r6c1 -3- r1c1 -7- r3c2 -2 => r1c3,r3c4<>2
  35. Riga 1 / Colonna 4 → 2 (Hidden Single)
  36. Hidden Rectangle: 2/7 in r3c23,r6c23 => r6c3<>7
  37. Riga 6 / Colonna 5 → 7 (Hidden Single)
  38. Riga 4 / Colonna 5 → 3 (Hidden Single)
  39. XY-Chain: 2 2- r3c2 -7- r1c1 -3- r6c1 -8- r6c3 -2 => r3c3,r6c2<>2
  40. Riga 3 / Colonna 2 → 2 (Hidden Single)
  41. Riga 6 / Colonna 3 → 2 (Hidden Single)
  42. Locked Triple: 1,5,6 in r123c3 => r2c2,r7c3<>1
  43. Riga 7 / Colonna 2 → 1 (Hidden Single)
  44. XY-Chain: 5 5- r1c7 -6- r7c7 -4- r7c3 -8- r5c3 -7- r5c7 -9- r5c5 -8- r6c4 -9- r3c4 -6- r3c3 -5 => r1c3,r3c8<>5
  45. Riga 3 / Colonna 3 → 5 (Hidden Single)
  46. W-Wing: 1/6 in r1c3,r9c9 connected by 6 in r17c7 => r1c9<>1
  47. XY-Chain: 3 3- r1c1 -7- r2c2 -3- r2c6 -8- r2c4 -6- r3c4 -9- r3c8 -3 => r1c89<>3
  48. Locked Candidates Type 1 (Pointing): 3 in b3 => r3c6<>3
  49. XY-Chain: 3 3- r1c1 -7- r1c9 -6- r1c3 -1- r2c3 -6- r2c4 -8- r2c6 -3 => r1c6,r2c2<>3
  50. Riga 2 / Colonna 2 → 7 (Naked Single)
  51. Riga 1 / Colonna 1 → 3 (Naked Single)
  52. Riga 8 / Colonna 2 → 5 (Naked Single)
  53. Riga 6 / Colonna 1 → 8 (Naked Single)
  54. Riga 8 / Colonna 8 → 1 (Naked Single)
  55. Riga 9 / Colonna 2 → 4 (Naked Single)
  56. Riga 5 / Colonna 3 → 7 (Naked Single)
  57. Riga 6 / Colonna 4 → 9 (Naked Single)
  58. Riga 5 / Colonna 5 → 8 (Full House)
  59. Riga 6 / Colonna 2 → 3 (Full House)
  60. Riga 4 / Colonna 2 → 9 (Full House)
  61. Riga 4 / Colonna 3 → 4 (Full House)
  62. Riga 4 / Colonna 7 → 7 (Full House)
  63. Riga 7 / Colonna 1 → 6 (Naked Single)
  64. Riga 8 / Colonna 1 → 7 (Full House)
  65. Riga 7 / Colonna 3 → 8 (Full House)
  66. Riga 7 / Colonna 7 → 4 (Full House)
  67. Riga 2 / Colonna 8 → 4 (Naked Single)
  68. Riga 8 / Colonna 6 → 8 (Naked Single)
  69. Riga 8 / Colonna 5 → 6 (Full House)
  70. Riga 9 / Colonna 5 → 9 (Full House)
  71. Riga 9 / Colonna 6 → 1 (Full House)
  72. Riga 9 / Colonna 9 → 6 (Naked Single)
  73. Riga 9 / Colonna 7 → 5 (Full House)
  74. Riga 5 / Colonna 7 → 9 (Naked Single)
  75. Riga 1 / Colonna 7 → 6 (Full House)
  76. Riga 3 / Colonna 4 → 6 (Naked Single)
  77. Riga 2 / Colonna 4 → 8 (Full House)
  78. Riga 2 / Colonna 9 → 1 (Naked Single)
  79. Riga 5 / Colonna 8 → 3 (Naked Single)
  80. Riga 5 / Colonna 9 → 4 (Full House)
  81. Riga 2 / Colonna 6 → 3 (Naked Single)
  82. Riga 2 / Colonna 3 → 6 (Full House)
  83. Riga 1 / Colonna 3 → 1 (Full House)
  84. Riga 1 / Colonna 9 → 7 (Naked Single)
  85. Riga 3 / Colonna 9 → 3 (Full House)
  86. Riga 3 / Colonna 8 → 9 (Naked Single)
  87. Riga 1 / Colonna 8 → 5 (Full House)
  88. Riga 1 / Colonna 6 → 9 (Full House)
  89. Riga 3 / Colonna 6 → 7 (Full House)
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