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

Questo puzzle di sudoku ha 70 passaggi e viene risolto utilizzando tecniche di Locked Candidates Type 1 (Pointing), Hidden Pair, Finned Swordfish, Continuous Nice Loop, Hidden Single, Naked Single, Hidden Triple, Full House.

Naked Single Spiegazione
Hidden Single Spiegazione
Hidden Pair Spiegazione
Locked Candidates Spiegazione
Full House Spiegazione
Prova a risolvere

Passaggi della soluzione:

  1. Locked Candidates Type 1 (Pointing): 3 in b1 => r46c2<>3
  2. Locked Candidates Type 1 (Pointing): 7 in b1 => r79c3<>7
  3. Locked Candidates Type 1 (Pointing): 9 in b8 => r46c5<>9
  4. Hidden Pair: 4,5 in r8c2,r9c3 => r8c2<>2, r8c2,r9c3<>8, r9c3<>6, r9c3<>9
  5. Locked Candidates Type 1 (Pointing): 2 in b7 => r7c7<>2
  6. Locked Candidates Type 1 (Pointing): 6 in b7 => r45c1<>6
  7. Finned Swordfish: 5 r159 c359 fr1c7 => r2c9<>5
  8. Continuous Nice Loop: 3/5/6/7/9 6= r1c5 =2= r6c5 -2- r5c4 =2= r5c3 =6= r5c6 -6- r3c6 =6= r1c5 =2 => r1c5<>3, r1c5,r5c3<>5, r4c6<>6, r1c5<>7, r5c3<>9
  9. Riga 5 / Colonna 9 → 5 (Hidden Single)
  10. Riga 1 / Colonna 7 → 5 (Hidden Single)
  11. Locked Candidates Type 1 (Pointing): 3 in b6 => r79c7<>3
  12. Hidden Pair: 1,3 in r7c59 => r7c59<>7, r7c5<>9, r7c9<>8
  13. Riga 9 / Colonna 5 → 9 (Hidden Single)
  14. Riga 9 / Colonna 3 → 5 (Hidden Single)
  15. Riga 8 / Colonna 2 → 4 (Naked Single)
  16. Riga 4 / Colonna 2 → 5 (Hidden Single)
  17. Hidden Triple: 2,6,9 in r13c8,r3c7 => r1c8<>4, r13c8,r3c7<>7, r3c78<>8, r3c8<>1
  18. Riga 8 / Colonna 8 → 1 (Hidden Single)
  19. Riga 7 / Colonna 9 → 3 (Naked Single)
  20. Riga 7 / Colonna 5 → 1 (Naked Single)
  21. Riga 8 / Colonna 7 → 2 (Hidden Single)
  22. Riga 9 / Colonna 4 → 3 (Hidden Single)
  23. Riga 8 / Colonna 1 → 6 (Hidden Single)
  24. Riga 1 / Colonna 2 → 3 (Hidden Single)
  25. Riga 3 / Colonna 6 → 3 (Hidden Single)
  26. Riga 8 / Colonna 4 → 8 (Hidden Single)
  27. Riga 5 / Colonna 1 → 3 (Hidden Single)
  28. Riga 5 / Colonna 6 → 6 (Hidden Single)
  29. Riga 5 / Colonna 3 → 2 (Naked Single)
  30. Riga 5 / Colonna 4 → 4 (Naked Single)
  31. Riga 5 / Colonna 8 → 9 (Full House)
  32. Riga 1 / Colonna 5 → 6 (Hidden Single)
  33. Riga 1 / Colonna 8 → 2 (Naked Single)
  34. Riga 1 / Colonna 4 → 7 (Naked Single)
  35. Riga 3 / Colonna 8 → 6 (Naked Single)
  36. Riga 1 / Colonna 9 → 4 (Naked Single)
  37. Riga 1 / Colonna 3 → 9 (Full House)
  38. Riga 2 / Colonna 5 → 5 (Naked Single)
  39. Riga 4 / Colonna 4 → 1 (Naked Single)
  40. Riga 3 / Colonna 4 → 2 (Full House)
  41. Riga 2 / Colonna 6 → 1 (Full House)
  42. Riga 3 / Colonna 7 → 9 (Naked Single)
  43. Riga 3 / Colonna 2 → 8 (Naked Single)
  44. Riga 7 / Colonna 3 → 8 (Naked Single)
  45. Riga 8 / Colonna 5 → 7 (Naked Single)
  46. Riga 8 / Colonna 6 → 5 (Full House)
  47. Riga 3 / Colonna 3 → 7 (Naked Single)
  48. Riga 2 / Colonna 3 → 4 (Full House)
  49. Riga 3 / Colonna 9 → 1 (Full House)
  50. Riga 6 / Colonna 2 → 9 (Naked Single)
  51. Riga 7 / Colonna 2 → 2 (Full House)
  52. Riga 4 / Colonna 3 → 6 (Naked Single)
  53. Riga 6 / Colonna 3 → 1 (Full House)
  54. Riga 4 / Colonna 1 → 8 (Full House)
  55. Riga 7 / Colonna 7 → 7 (Naked Single)
  56. Riga 7 / Colonna 1 → 9 (Full House)
  57. Riga 9 / Colonna 1 → 7 (Full House)
  58. Riga 4 / Colonna 5 → 3 (Naked Single)
  59. Riga 6 / Colonna 5 → 2 (Full House)
  60. Riga 6 / Colonna 6 → 7 (Naked Single)
  61. Riga 4 / Colonna 6 → 9 (Full House)
  62. Riga 2 / Colonna 7 → 8 (Naked Single)
  63. Riga 2 / Colonna 9 → 7 (Full House)
  64. Riga 9 / Colonna 9 → 8 (Full House)
  65. Riga 4 / Colonna 7 → 4 (Naked Single)
  66. Riga 4 / Colonna 8 → 7 (Full House)
  67. Riga 6 / Colonna 8 → 8 (Naked Single)
  68. Riga 6 / Colonna 7 → 3 (Full House)
  69. Riga 9 / Colonna 8 → 4 (Full House)
  70. Riga 9 / Colonna 7 → 6 (Full House)
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