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

Questo puzzle di sudoku ha 77 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Single, Locked Candidates Type 2 (Claiming), Sue de Coq, Discontinuous Nice Loop, AIC, Hidden Pair, Continuous Nice Loop, Empty Rectangle, 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 1 → 4 (Hidden Single)
  2. Locked Candidates Type 1 (Pointing): 9 in b1 => r2c7<>9
  3. Riga 2 / Colonna 7 → 7 (Naked Single)
  4. Locked Candidates Type 1 (Pointing): 7 in b2 => r56c6<>7
  5. Locked Candidates Type 1 (Pointing): 5 in b4 => r5c456<>5
  6. Locked Candidates Type 1 (Pointing): 4 in b6 => r5c56<>4
  7. Locked Candidates Type 2 (Claiming): 1 in c5 => r4c46,r5c46,r6c46<>1
  8. Sue de Coq: r456c5 - {13456} (r3c5 - {35}, r6c6 - {46}) => r5c46,r6c4<>6, r7c5<>5
  9. Locked Candidates Type 1 (Pointing): 5 in b8 => r24c4<>5
  10. Discontinuous Nice Loop: 2 r1c3 -2- r1c7 -8- r7c7 -4- r7c5 =4= r8c6 -4- r8c2 =4= r9c2 =8= r5c2 =5= r5c3 =1= r1c3 => r1c3<>2
  11. Discontinuous Nice Loop: 2 r3c7 -2- r1c7 -8- r7c7 -4- r7c5 =4= r8c6 -4- r8c2 =4= r9c2 =8= r5c2 -8- r5c6 -9- r5c7 =9= r3c7 => r3c7<>2
  12. Riga 3 / Colonna 7 → 9 (Naked Single)
  13. AIC: 6 6- r7c5 -4- r7c7 -8- r1c7 -2- r3c9 =2= r3c3 -2- r9c3 -6 => r7c13,r9c4<>6
  14. AIC: 2/5 2- r3c3 =2= r3c9 -2- r1c7 -8- r7c7 -4- r7c5 =4= r8c6 -4- r8c2 =4= r9c2 =8= r5c2 =5= r5c3 -5 => r5c3<>2, r3c3<>5
  15. Hidden Pair: 1,5 in r15c3 => r15c3<>3, r1c3<>7, r5c3<>6
  16. Locked Candidates Type 1 (Pointing): 6 in b4 => r9c1<>6
  17. Discontinuous Nice Loop: 1 r1c1 -1- r1c3 -5- r5c3 =5= r5c2 =8= r9c2 =4= r8c2 -4- r8c6 =4= r7c5 -4- r7c7 -8- r1c7 -2- r3c9 =2= r3c3 =7= r1c1 => r1c1<>1
  18. Discontinuous Nice Loop: 3 r3c3 -3- r3c5 -5- r4c5 =5= r4c6 =8= r4c1 -8- r5c2 =8= r9c2 =4= r8c2 -4- r8c6 =4= r7c5 -4- r7c7 -8- r1c7 -2- r3c9 =2= r3c3 => r3c3<>3
  19. Riga 7 / Colonna 3 → 3 (Hidden Single)
  20. Continuous Nice Loop: 2/3/4/7/8 7= r5c8 =4= r5c7 -4- r7c7 -8- r1c7 -2- r3c9 =2= r3c3 =7= r8c3 -7- r8c8 =7= r5c8 =4 => r1c89,r5c8<>2, r5c8<>3, r9c7<>4, r8c9<>7, r9c7<>8
  21. Empty Rectangle: 3 in b6 (r3c59) => r4c5<>3
  22. Discontinuous Nice Loop: 1/5/6 r1c6 =7= r1c1 -7- r7c1 -8- r7c7 =8= r1c7 =2= r3c9 -2- r3c3 -7- r3c6 =7= r1c6 => r1c6<>1, r1c6<>5, r1c6<>6
  23. Riga 1 / Colonna 6 → 7 (Naked Single)
  24. Riga 3 / Colonna 6 → 5 (Naked Single)
  25. Riga 3 / Colonna 5 → 3 (Naked Single)
  26. Riga 3 / Colonna 9 → 2 (Naked Single)
  27. Riga 3 / Colonna 3 → 7 (Full House)
  28. Riga 1 / Colonna 7 → 8 (Naked Single)
  29. Riga 7 / Colonna 7 → 4 (Naked Single)
  30. Riga 7 / Colonna 5 → 6 (Naked Single)
  31. Riga 5 / Colonna 5 → 1 (Naked Single)
  32. Riga 7 / Colonna 4 → 5 (Naked Single)
  33. Riga 4 / Colonna 5 → 5 (Naked Single)
  34. Riga 6 / Colonna 5 → 4 (Full House)
  35. Riga 5 / Colonna 3 → 5 (Naked Single)
  36. Riga 5 / Colonna 7 → 2 (Naked Single)
  37. Riga 9 / Colonna 7 → 1 (Full House)
  38. Riga 6 / Colonna 6 → 6 (Naked Single)
  39. Riga 1 / Colonna 3 → 1 (Naked Single)
  40. Riga 4 / Colonna 8 → 3 (Naked Single)
  41. Riga 8 / Colonna 9 → 6 (Naked Single)
  42. Riga 9 / Colonna 4 → 9 (Naked Single)
  43. Riga 2 / Colonna 6 → 1 (Naked Single)
  44. Riga 2 / Colonna 4 → 6 (Full House)
  45. Riga 8 / Colonna 3 → 2 (Naked Single)
  46. Riga 9 / Colonna 3 → 6 (Full House)
  47. Riga 4 / Colonna 4 → 2 (Naked Single)
  48. Riga 8 / Colonna 4 → 1 (Naked Single)
  49. Riga 8 / Colonna 6 → 4 (Full House)
  50. Riga 2 / Colonna 8 → 5 (Naked Single)
  51. Riga 8 / Colonna 8 → 7 (Naked Single)
  52. Riga 8 / Colonna 2 → 9 (Full House)
  53. Riga 9 / Colonna 1 → 8 (Naked Single)
  54. Riga 1 / Colonna 8 → 6 (Naked Single)
  55. Riga 1 / Colonna 9 → 3 (Full House)
  56. Riga 9 / Colonna 8 → 2 (Naked Single)
  57. Riga 5 / Colonna 8 → 4 (Full House)
  58. Riga 7 / Colonna 9 → 8 (Naked Single)
  59. Riga 7 / Colonna 1 → 7 (Full House)
  60. Riga 9 / Colonna 2 → 4 (Full House)
  61. Riga 9 / Colonna 9 → 5 (Full House)
  62. Riga 2 / Colonna 2 → 3 (Naked Single)
  63. Riga 2 / Colonna 1 → 9 (Full House)
  64. Riga 4 / Colonna 1 → 1 (Naked Single)
  65. Riga 1 / Colonna 1 → 2 (Naked Single)
  66. Riga 1 / Colonna 2 → 5 (Full House)
  67. Riga 5 / Colonna 2 → 8 (Naked Single)
  68. Riga 6 / Colonna 2 → 2 (Full House)
  69. Riga 4 / Colonna 9 → 9 (Naked Single)
  70. Riga 4 / Colonna 6 → 8 (Full House)
  71. Riga 5 / Colonna 6 → 9 (Full House)
  72. Riga 6 / Colonna 1 → 3 (Naked Single)
  73. Riga 5 / Colonna 1 → 6 (Full House)
  74. Riga 5 / Colonna 9 → 7 (Naked Single)
  75. Riga 5 / Colonna 4 → 3 (Full House)
  76. Riga 6 / Colonna 4 → 7 (Full House)
  77. Riga 6 / Colonna 9 → 1 (Full House)
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