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

Questo puzzle di sudoku ha 68 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Full House, Naked Single, Hidden Pair, undefined, Empty Rectangle, Hidden Rectangle, Turbot Fish, Sue de Coq, Simple Colors Trap, Multi Colors 2.

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

Passaggi della soluzione:

  1. Riga 1 / Colonna 4 → 1 (Hidden Single)
  2. Riga 2 / Colonna 8 → 3 (Hidden Single)
  3. Riga 5 / Colonna 3 → 3 (Hidden Single)
  4. Riga 2 / Colonna 1 → 4 (Hidden Single)
  5. Riga 1 / Colonna 8 → 9 (Hidden Single)
  6. Riga 6 / Colonna 2 → 5 (Hidden Single)
  7. Riga 4 / Colonna 2 → 8 (Hidden Single)
  8. Locked Candidates Type 1 (Pointing): 6 in b2 => r5c5<>6
  9. Locked Candidates Type 1 (Pointing): 9 in b5 => r5c1<>9
  10. Riga 4 / Colonna 1 → 9 (Hidden Single)
  11. Riga 4 / Colonna 3 → 6 (Hidden Single)
  12. Riga 5 / Colonna 1 → 2 (Full House)
  13. Riga 3 / Colonna 1 → 7 (Naked Single)
  14. Riga 9 / Colonna 1 → 6 (Full House)
  15. Riga 2 / Colonna 9 → 7 (Hidden Single)
  16. Riga 4 / Colonna 7 → 7 (Hidden Single)
  17. Riga 8 / Colonna 3 → 7 (Hidden Single)
  18. Locked Candidates Type 1 (Pointing): 5 in b9 => r1c7<>5
  19. Hidden Pair: 3,7 in r79c4 => r79c4<>2, r79c4<>5, r9c4<>4, r9c4<>8
  20. Riga 9 / Colonna 5 → 4 (Hidden Single)
  21. Riga 8 / Colonna 5 → 8 (Hidden Single)
  22. XY-Wing: 2/4/8 in r15c7,r3c8 => r56c8<>8
  23. Riga 6 / Colonna 4 → 8 (Hidden Single)
  24. Empty Rectangle: 2 in b8 (r6c68) => r7c8<>2
  25. Hidden Rectangle: 2/6 in r1c25,r2c25 => r2c5<>2
  26. Turbot Fish: 2 r1c5 =2= r2c4 -2- r4c4 =2= r4c9 => r1c9<>2
  27. Sue de Coq: r45c9 - {1248} (r8c9 - {12}, r5c7 - {48}) => r3c9<>2
  28. 2-String Kite: 2 in r6c6,r8c9 (connected by r4c9,r6c8) => r8c6<>2
  29. Simple Colors Trap: 2 (r1c5,r4c4,r6c8,r8c9) / (r2c4,r4c9,r6c6,r7c5) => r7c7<>2
  30. Multi Colors 2: 2 (r1c5,r4c4,r6c8,r8c9) / (r2c4,r4c9,r6c6,r7c5), (r1c7) / (r3c8) => r1c5,r4c4,r6c8,r8c9<>2
  31. Riga 4 / Colonna 4 → 4 (Naked Single)
  32. Riga 4 / Colonna 9 → 2 (Full House)
  33. Riga 6 / Colonna 8 → 6 (Naked Single)
  34. Riga 6 / Colonna 6 → 2 (Full House)
  35. Riga 8 / Colonna 9 → 1 (Naked Single)
  36. Riga 5 / Colonna 4 → 5 (Naked Single)
  37. Riga 5 / Colonna 8 → 1 (Naked Single)
  38. Riga 7 / Colonna 8 → 7 (Naked Single)
  39. Riga 8 / Colonna 6 → 9 (Naked Single)
  40. Riga 2 / Colonna 4 → 2 (Naked Single)
  41. Riga 5 / Colonna 5 → 9 (Naked Single)
  42. Riga 5 / Colonna 6 → 6 (Full House)
  43. Riga 7 / Colonna 4 → 3 (Naked Single)
  44. Riga 9 / Colonna 4 → 7 (Full House)
  45. Riga 7 / Colonna 7 → 5 (Naked Single)
  46. Riga 7 / Colonna 5 → 2 (Naked Single)
  47. Riga 7 / Colonna 6 → 1 (Naked Single)
  48. Riga 7 / Colonna 3 → 9 (Full House)
  49. Riga 9 / Colonna 6 → 5 (Full House)
  50. Riga 2 / Colonna 3 → 5 (Naked Single)
  51. Riga 2 / Colonna 5 → 6 (Naked Single)
  52. Riga 1 / Colonna 5 → 5 (Full House)
  53. Riga 2 / Colonna 2 → 9 (Full House)
  54. Riga 1 / Colonna 9 → 4 (Naked Single)
  55. Riga 1 / Colonna 7 → 2 (Naked Single)
  56. Riga 1 / Colonna 2 → 6 (Full House)
  57. Riga 5 / Colonna 9 → 8 (Naked Single)
  58. Riga 3 / Colonna 9 → 5 (Full House)
  59. Riga 3 / Colonna 8 → 8 (Full House)
  60. Riga 5 / Colonna 7 → 4 (Full House)
  61. Riga 9 / Colonna 8 → 2 (Full House)
  62. Riga 8 / Colonna 7 → 3 (Naked Single)
  63. Riga 8 / Colonna 2 → 2 (Full House)
  64. Riga 9 / Colonna 7 → 8 (Full House)
  65. Riga 9 / Colonna 3 → 1 (Naked Single)
  66. Riga 3 / Colonna 3 → 2 (Full House)
  67. Riga 3 / Colonna 2 → 1 (Full House)
  68. Riga 9 / Colonna 2 → 3 (Full House)
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