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

Questo puzzle di sudoku ha 86 passaggi e viene risolto utilizzando tecniche di Locked Triple, Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Pair, Naked Triple, Hidden Pair, Skyscraper, undefined, Hidden Rectangle, Finned Swordfish, Sashimi Swordfish, Full House, Swordfish, Uniqueness Test 6.

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 Triple: 1,3,6 in r123c8 => r13c9,r2c7,r579c8<>1, r1c9,r2c7,r57c8<>3, r2c7<>6
  2. Riga 2 / Colonna 7 → 2 (Naked Single)
  3. Riga 7 / Colonna 7 → 3 (Hidden Single)
  4. Riga 3 / Colonna 1 → 2 (Hidden Single)
  5. Riga 3 / Colonna 9 → 7 (Hidden Single)
  6. Riga 1 / Colonna 9 → 9 (Naked Single)
  7. Riga 7 / Colonna 1 → 7 (Hidden Single)
  8. Riga 1 / Colonna 2 → 7 (Hidden Single)
  9. Riga 9 / Colonna 4 → 7 (Hidden Single)
  10. Locked Candidates Type 1 (Pointing): 4 in b1 => r79c3<>4
  11. Locked Candidates Type 2 (Claiming): 9 in r7 => r8c45,r9c6<>9
  12. Naked Pair: 5,8 in r6c49 => r6c25<>5, r6c25<>8
  13. Riga 6 / Colonna 5 → 7 (Naked Single)
  14. Riga 4 / Colonna 7 → 7 (Hidden Single)
  15. Riga 6 / Colonna 7 → 6 (Hidden Single)
  16. Riga 6 / Colonna 2 → 4 (Naked Single)
  17. Riga 8 / Colonna 1 → 4 (Hidden Single)
  18. Locked Candidates Type 1 (Pointing): 9 in b7 => r45c2<>9
  19. Naked Triple: 1,5,8 in r2c125 => r2c48<>1, r2c4<>5, r2c4<>8
  20. Hidden Pair: 2,6 in r8c4,r9c6 => r8c4<>1, r8c4<>5, r9c6<>4
  21. Locked Candidates Type 1 (Pointing): 4 in b8 => r7c8<>4
  22. Skyscraper: 5 in r6c4,r8c5 (connected by r68c9) => r4c5,r7c4<>5
  23. 2-String Kite: 8 in r1c3,r4c5 (connected by r1c4,r2c5) => r4c3<>8
  24. Hidden Rectangle: 1/9 in r8c27,r9c27 => r9c2<>1
  25. Finned X-Wing: 8 c15 r24 fr5c1 => r4c2<>8
  26. Sashimi X-Wing: 5 c34 r34 fr5c4 fr6c4 => r4c6<>5
  27. Finned Swordfish: 5 r248 c259 fr4c3 => r5c2<>5
  28. Locked Candidates Type 1 (Pointing): 5 in b4 => r4c9<>5
  29. Naked Triple: 1,8,9 in r45c1,r5c2 => r4c23<>1
  30. Sashimi Swordfish: 8 r167 c348 fr6c9 => r5c8<>8
  31. Locked Candidates Type 1 (Pointing): 8 in b6 => r9c9<>8
  32. XYZ-Wing: 1/2/5 in r8c59,r9c9 => r8c7<>1
  33. Riga 8 / Colonna 7 → 9 (Naked Single)
  34. Riga 9 / Colonna 2 → 9 (Hidden Single)
  35. Locked Candidates Type 1 (Pointing): 8 in b7 => r1c3<>8
  36. Riga 1 / Colonna 4 → 8 (Hidden Single)
  37. Riga 6 / Colonna 4 → 5 (Naked Single)
  38. Riga 6 / Colonna 9 → 8 (Full House)
  39. Riga 4 / Colonna 5 → 8 (Hidden Single)
  40. Naked Pair: 1,5 in r28c5 => r37c5<>1, r37c5<>5
  41. Swordfish: 1 r137 c348 => r9c3<>1
  42. Locked Candidates Type 2 (Claiming): 1 in r9 => r8c9<>1
  43. XY-Wing: 3/4/9 in r14c6,r3c5 => r3c6<>9
  44. Uniqueness Test 6: 1/8 in r2c12,r5c12 => r2c2,r5c1<>8
  45. Riga 2 / Colonna 1 → 8 (Hidden Single)
  46. Riga 5 / Colonna 2 → 8 (Hidden Single)
  47. XY-Chain: 9 9- r4c6 -3- r1c6 -4- r1c3 -1- r7c3 -8- r7c8 -5- r5c8 -4- r5c7 -1- r5c1 -9 => r4c1,r5c46<>9
  48. Riga 4 / Colonna 1 → 1 (Naked Single)
  49. Riga 5 / Colonna 1 → 9 (Full House)
  50. Riga 4 / Colonna 9 → 3 (Naked Single)
  51. Riga 4 / Colonna 6 → 9 (Naked Single)
  52. Naked Triple: 2,3,6 in r258c4 => r3c4<>6
  53. XY-Chain: 1 1- r2c2 -5- r2c5 -1- r8c5 -5- r7c6 -4- r1c6 -3- r5c6 -2- r9c6 -6- r9c3 -8- r7c3 -1 => r13c3,r8c2<>1
  54. Riga 1 / Colonna 3 → 4 (Naked Single)
  55. Riga 8 / Colonna 2 → 6 (Naked Single)
  56. Riga 1 / Colonna 6 → 3 (Naked Single)
  57. Riga 1 / Colonna 8 → 1 (Full House)
  58. Riga 3 / Colonna 3 → 5 (Naked Single)
  59. Riga 2 / Colonna 2 → 1 (Full House)
  60. Riga 4 / Colonna 2 → 5 (Full House)
  61. Riga 4 / Colonna 3 → 6 (Full House)
  62. Riga 8 / Colonna 4 → 2 (Naked Single)
  63. Riga 9 / Colonna 3 → 8 (Naked Single)
  64. Riga 7 / Colonna 3 → 1 (Full House)
  65. Riga 2 / Colonna 4 → 6 (Naked Single)
  66. Riga 5 / Colonna 6 → 2 (Naked Single)
  67. Riga 5 / Colonna 4 → 3 (Full House)
  68. Riga 3 / Colonna 8 → 6 (Naked Single)
  69. Riga 2 / Colonna 8 → 3 (Full House)
  70. Riga 2 / Colonna 5 → 5 (Full House)
  71. Riga 8 / Colonna 9 → 5 (Naked Single)
  72. Riga 8 / Colonna 5 → 1 (Full House)
  73. Riga 9 / Colonna 6 → 6 (Naked Single)
  74. Riga 9 / Colonna 8 → 4 (Naked Single)
  75. Riga 7 / Colonna 4 → 9 (Naked Single)
  76. Riga 3 / Colonna 4 → 1 (Full House)
  77. Riga 3 / Colonna 6 → 4 (Naked Single)
  78. Riga 3 / Colonna 5 → 9 (Full House)
  79. Riga 7 / Colonna 5 → 4 (Full House)
  80. Riga 7 / Colonna 6 → 5 (Full House)
  81. Riga 7 / Colonna 8 → 8 (Full House)
  82. Riga 5 / Colonna 8 → 5 (Full House)
  83. Riga 5 / Colonna 9 → 1 (Naked Single)
  84. Riga 5 / Colonna 7 → 4 (Full House)
  85. Riga 9 / Colonna 7 → 1 (Full House)
  86. Riga 9 / Colonna 9 → 2 (Full House)
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