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

Questo puzzle di sudoku ha 66 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, Naked Single, Hidden Pair, undefined, Sashimi Swordfish, Full House.

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 5 → 6 (Hidden Single)
  2. Riga 2 / Colonna 1 → 6 (Hidden Single)
  3. Riga 2 / Colonna 3 → 5 (Hidden Single)
  4. Riga 2 / Colonna 7 → 3 (Hidden Single)
  5. Locked Candidates Type 1 (Pointing): 2 in b3 => r3c6<>2
  6. Locked Candidates Type 1 (Pointing): 3 in b5 => r9c6<>3
  7. Naked Pair: 7,8 in r1c8,r2c9 => r1c9,r3c78<>7, r1c9,r3c8<>8
  8. Riga 3 / Colonna 8 → 2 (Naked Single)
  9. Riga 4 / Colonna 8 → 5 (Naked Single)
  10. Riga 4 / Colonna 7 → 2 (Hidden Single)
  11. Riga 6 / Colonna 2 → 2 (Hidden Single)
  12. Riga 5 / Colonna 2 → 5 (Hidden Single)
  13. Hidden Pair: 2,5 in r89c1 => r89c1<>3, r89c1<>4, r8c1<>7, r9c1<>1
  14. 2-String Kite: 1 in r1c6,r5c7 (connected by r1c9,r3c7) => r5c6<>1
  15. 2-String Kite: 1 in r4c1,r9c6 (connected by r7c1,r9c3) => r4c6<>1
  16. Sashimi Swordfish: 1 c157 r347 fr5c7 => r4c9<>1
  17. Riga 4 / Colonna 9 → 9 (Naked Single)
  18. Locked Candidates Type 1 (Pointing): 1 in b6 => r5c34<>1
  19. Riga 5 / Colonna 3 → 3 (Naked Single)
  20. Riga 4 / Colonna 6 → 3 (Hidden Single)
  21. XY-Chain: 9 9- r3c5 -1- r3c7 -4- r1c9 -1- r5c9 -7- r5c6 -9 => r13c6<>9
  22. Riga 1 / Colonna 2 → 9 (Hidden Single)
  23. Riga 3 / Colonna 5 → 9 (Hidden Single)
  24. Riga 8 / Colonna 5 → 3 (Naked Single)
  25. Riga 7 / Colonna 5 → 1 (Full House)
  26. Riga 4 / Colonna 1 → 1 (Hidden Single)
  27. Riga 4 / Colonna 4 → 4 (Full House)
  28. Riga 6 / Colonna 3 → 4 (Full House)
  29. Riga 7 / Colonna 4 → 9 (Naked Single)
  30. Riga 8 / Colonna 4 → 2 (Naked Single)
  31. Riga 9 / Colonna 6 → 4 (Full House)
  32. Riga 2 / Colonna 4 → 7 (Naked Single)
  33. Riga 8 / Colonna 1 → 5 (Naked Single)
  34. Riga 9 / Colonna 9 → 5 (Naked Single)
  35. Riga 2 / Colonna 9 → 8 (Naked Single)
  36. Riga 2 / Colonna 6 → 2 (Full House)
  37. Riga 5 / Colonna 4 → 6 (Naked Single)
  38. Riga 6 / Colonna 4 → 1 (Full House)
  39. Riga 9 / Colonna 1 → 2 (Naked Single)
  40. Riga 1 / Colonna 8 → 7 (Naked Single)
  41. Riga 6 / Colonna 6 → 7 (Naked Single)
  42. Riga 6 / Colonna 8 → 6 (Full House)
  43. Riga 5 / Colonna 6 → 9 (Full House)
  44. Riga 1 / Colonna 1 → 4 (Naked Single)
  45. Riga 9 / Colonna 8 → 3 (Naked Single)
  46. Riga 7 / Colonna 8 → 8 (Full House)
  47. Riga 1 / Colonna 9 → 1 (Naked Single)
  48. Riga 1 / Colonna 6 → 8 (Full House)
  49. Riga 3 / Colonna 7 → 4 (Full House)
  50. Riga 3 / Colonna 6 → 1 (Full House)
  51. Riga 9 / Colonna 2 → 6 (Naked Single)
  52. Riga 7 / Colonna 3 → 7 (Naked Single)
  53. Riga 5 / Colonna 9 → 7 (Naked Single)
  54. Riga 5 / Colonna 7 → 1 (Full House)
  55. Riga 8 / Colonna 9 → 4 (Full House)
  56. Riga 9 / Colonna 7 → 9 (Naked Single)
  57. Riga 9 / Colonna 3 → 1 (Full House)
  58. Riga 3 / Colonna 3 → 8 (Naked Single)
  59. Riga 8 / Colonna 3 → 9 (Full House)
  60. Riga 7 / Colonna 1 → 3 (Naked Single)
  61. Riga 3 / Colonna 1 → 7 (Full House)
  62. Riga 3 / Colonna 2 → 3 (Full House)
  63. Riga 7 / Colonna 7 → 6 (Naked Single)
  64. Riga 8 / Colonna 7 → 7 (Full House)
  65. Riga 8 / Colonna 2 → 8 (Full House)
  66. Riga 7 / Colonna 2 → 4 (Full House)
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