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

Questo puzzle di sudoku ha 88 passaggi e viene risolto utilizzando tecniche di Locked Candidates Type 1 (Pointing), Hidden Pair, undefined, Finned Swordfish, Discontinuous Nice Loop, Naked Single, Locked Candidates Type 2 (Claiming), Hidden Rectangle, Hidden Single, Continuous Nice Loop, Naked 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. Locked Candidates Type 1 (Pointing): 6 in b5 => r6c79<>6
  2. Locked Candidates Type 1 (Pointing): 9 in b5 => r6c13<>9
  3. Hidden Pair: 6,9 in r6c46 => r6c46<>1, r6c4<>2, r6c46<>8
  4. XYZ-Wing: 1/5/8 in r48c5,r5c6 => r6c5<>1
  5. Finned X-Wing: 5 c57 r48 fr7c7 fr9c7 => r8c9<>5
  6. Finned Swordfish: 5 r159 c489 fr9c7 => r7c8<>5
  7. Discontinuous Nice Loop: 1/8 r4c5 =5= r8c5 -5- r8c3 =5= r7c3 =2= r6c3 -2- r6c5 =2= r5c4 =5= r4c5 => r4c5<>1, r4c5<>8
  8. Riga 4 / Colonna 5 → 5 (Naked Single)
  9. Riga 8 / Colonna 5 → 1 (Naked Single)
  10. Riga 3 / Colonna 5 → 4 (Naked Single)
  11. Locked Candidates Type 1 (Pointing): 1 in b5 => r5c289<>1
  12. Locked Candidates Type 2 (Claiming): 8 in r4 => r6c13<>8
  13. Locked Candidates Type 2 (Claiming): 5 in c7 => r9c89<>5
  14. Hidden Rectangle: 4/5 in r1c89,r5c89 => r1c8<>4
  15. Discontinuous Nice Loop: 7 r4c1 -7- r6c1 -4- r5c2 -2- r5c4 =2= r2c4 -2- r2c5 -8- r2c1 =8= r4c1 => r4c1<>7
  16. Discontinuous Nice Loop: 8 r2c1 -8- r2c5 -2- r2c4 =2= r5c4 -2- r5c2 -4- r6c1 -7- r8c1 -9- r4c1 -8- r2c1 => r2c1<>8
  17. Riga 4 / Colonna 1 → 8 (Hidden Single)
  18. Discontinuous Nice Loop: 1 r5c4 -1- r5c6 -8- r9c6 =8= r9c4 =5= r9c7 =2= r9c2 -2- r5c2 =2= r5c4 => r5c4<>1
  19. Riga 5 / Colonna 6 → 1 (Hidden Single)
  20. Discontinuous Nice Loop: 7 r6c8 -7- r6c1 -4- r5c2 -2- r5c4 -8- r5c8 =8= r6c8 => r6c8<>7
  21. Locked Candidates Type 1 (Pointing): 7 in b6 => r89c9<>7
  22. Locked Candidates Type 2 (Claiming): 7 in r8 => r7c123,r9c2<>7
  23. Continuous Nice Loop: 4/7/9 5= r7c3 =2= r6c3 -2- r5c2 -4- r6c1 -7- r8c1 =7= r8c3 =5= r7c3 =2 => r7c3<>4, r2c1<>7, r78c3<>9
  24. Discontinuous Nice Loop: 7/8/9 r9c4 =5= r9c7 =2= r9c2 -2- r7c3 -5- r7c4 =5= r9c4 => r9c4<>7, r9c4<>8, r9c4<>9
  25. Riga 9 / Colonna 4 → 5 (Naked Single)
  26. Riga 9 / Colonna 6 → 8 (Hidden Single)
  27. Riga 9 / Colonna 8 → 7 (Hidden Single)
  28. Locked Candidates Type 1 (Pointing): 9 in b8 => r7c128<>9
  29. Locked Candidates Type 1 (Pointing): 9 in b9 => r2c9<>9
  30. XYZ-Wing: 2/4/6 in r57c2,r7c1 => r9c2<>4
  31. Locked Candidates Type 1 (Pointing): 4 in b7 => r7c78<>4
  32. Riga 7 / Colonna 8 → 1 (Naked Single)
  33. Naked Pair: 2,5 in r7c37 => r7c2<>2
  34. XY-Wing: 2/9/4 in r59c2,r9c9 => r5c9<>4
  35. Riga 5 / Colonna 9 → 5 (Naked Single)
  36. Riga 1 / Colonna 8 → 5 (Hidden Single)
  37. XY-Chain: 4 4- r5c2 -2- r9c2 -9- r8c1 -7- r6c1 -4- r7c1 -6- r7c2 -4 => r12c2<>4
  38. XY-Chain: 4 4- r6c1 -7- r8c1 -9- r9c2 -2- r5c2 -4- r7c2 -6- r7c1 -4 => r2c1<>4
  39. Locked Candidates Type 1 (Pointing): 4 in b1 => r6c3<>4
  40. Hidden Pair: 4,8 in r12c3 => r12c3<>1, r2c3<>7, r2c3<>9
  41. XY-Chain: 4 4- r2c3 -8- r2c5 -2- r6c5 -8- r5c4 -2- r5c2 -4- r6c1 -7- r8c1 -9- r9c2 -2- r9c7 -4 => r2c7<>4
  42. XY-Chain: 4 4- r6c1 -7- r8c1 -9- r9c2 -2- r9c7 -4 => r6c7<>4
  43. Riga 9 / Colonna 7 → 4 (Hidden Single)
  44. Riga 9 / Colonna 9 → 9 (Naked Single)
  45. Riga 9 / Colonna 2 → 2 (Full House)
  46. Riga 8 / Colonna 9 → 3 (Naked Single)
  47. Riga 5 / Colonna 2 → 4 (Naked Single)
  48. Riga 7 / Colonna 3 → 5 (Naked Single)
  49. Riga 8 / Colonna 7 → 5 (Naked Single)
  50. Riga 7 / Colonna 7 → 2 (Full House)
  51. Riga 5 / Colonna 8 → 8 (Naked Single)
  52. Riga 5 / Colonna 4 → 2 (Full House)
  53. Riga 6 / Colonna 1 → 7 (Naked Single)
  54. Riga 7 / Colonna 2 → 6 (Naked Single)
  55. Riga 8 / Colonna 3 → 7 (Naked Single)
  56. Riga 8 / Colonna 1 → 9 (Full House)
  57. Riga 7 / Colonna 1 → 4 (Full House)
  58. Riga 2 / Colonna 1 → 6 (Full House)
  59. Riga 6 / Colonna 5 → 8 (Naked Single)
  60. Riga 2 / Colonna 5 → 2 (Full House)
  61. Riga 6 / Colonna 3 → 2 (Hidden Single)
  62. Riga 4 / Colonna 9 → 7 (Hidden Single)
  63. Riga 4 / Colonna 7 → 6 (Hidden Single)
  64. Riga 1 / Colonna 9 → 6 (Hidden Single)
  65. Riga 1 / Colonna 6 → 3 (Naked Single)
  66. Riga 1 / Colonna 2 → 1 (Naked Single)
  67. Riga 1 / Colonna 4 → 8 (Naked Single)
  68. Riga 1 / Colonna 3 → 4 (Full House)
  69. Riga 3 / Colonna 3 → 9 (Naked Single)
  70. Riga 4 / Colonna 2 → 9 (Naked Single)
  71. Riga 4 / Colonna 3 → 1 (Full House)
  72. Riga 2 / Colonna 3 → 8 (Full House)
  73. Riga 3 / Colonna 8 → 3 (Naked Single)
  74. Riga 2 / Colonna 7 → 1 (Naked Single)
  75. Riga 6 / Colonna 7 → 3 (Full House)
  76. Riga 3 / Colonna 2 → 7 (Naked Single)
  77. Riga 2 / Colonna 2 → 3 (Full House)
  78. Riga 6 / Colonna 8 → 4 (Naked Single)
  79. Riga 2 / Colonna 8 → 9 (Full House)
  80. Riga 2 / Colonna 9 → 4 (Full House)
  81. Riga 2 / Colonna 4 → 7 (Full House)
  82. Riga 6 / Colonna 9 → 1 (Full House)
  83. Riga 3 / Colonna 6 → 6 (Naked Single)
  84. Riga 3 / Colonna 4 → 1 (Full House)
  85. Riga 7 / Colonna 4 → 9 (Naked Single)
  86. Riga 6 / Colonna 4 → 6 (Full House)
  87. Riga 6 / Colonna 6 → 9 (Full House)
  88. Riga 7 / Colonna 6 → 7 (Full House)
Mostra di più...