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

Questo puzzle di sudoku ha 65 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, Naked Single, Hidden Rectangle, undefined, Full House.

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

Passaggi della soluzione:

  1. Riga 6 / Colonna 7 → 9 (Hidden Single)
  2. Riga 9 / Colonna 5 → 8 (Hidden Single)
  3. Riga 4 / Colonna 1 → 8 (Hidden Single)
  4. Riga 5 / Colonna 6 → 5 (Hidden Single)
  5. Riga 3 / Colonna 6 → 4 (Hidden Single)
  6. Riga 5 / Colonna 4 → 4 (Hidden Single)
  7. Riga 9 / Colonna 6 → 7 (Hidden Single)
  8. Riga 2 / Colonna 5 → 9 (Hidden Single)
  9. Riga 8 / Colonna 5 → 1 (Hidden Single)
  10. Locked Candidates Type 1 (Pointing): 2 in b3 => r45c8<>2
  11. Naked Pair: 3,6 in r7c14 => r7c28<>3, r7c2678<>6
  12. Riga 7 / Colonna 6 → 9 (Naked Single)
  13. Riga 7 / Colonna 2 → 1 (Naked Single)
  14. Riga 9 / Colonna 8 → 9 (Hidden Single)
  15. Riga 8 / Colonna 3 → 9 (Hidden Single)
  16. Riga 3 / Colonna 2 → 9 (Hidden Single)
  17. Riga 5 / Colonna 8 → 3 (Hidden Single)
  18. Riga 5 / Colonna 2 → 6 (Naked Single)
  19. Riga 1 / Colonna 2 → 5 (Naked Single)
  20. Riga 3 / Colonna 4 → 7 (Hidden Single)
  21. Riga 2 / Colonna 1 → 7 (Hidden Single)
  22. Riga 3 / Colonna 8 → 2 (Hidden Single)
  23. Riga 2 / Colonna 3 → 3 (Hidden Single)
  24. Locked Candidates Type 1 (Pointing): 6 in b1 => r9c3<>6
  25. Locked Candidates Type 1 (Pointing): 4 in b7 => r9c79<>4
  26. Hidden Rectangle: 4/6 in r2c79,r8c79 => r2c9<>6
  27. XY-Chain: 6 6- r7c1 -3- r6c1 -2- r5c3 -1- r5c9 -8- r3c9 -6- r3c3 -8- r1c3 -6- r1c6 -2- r8c6 -6 => r7c4,r8c1<>6
  28. Riga 7 / Colonna 4 → 3 (Naked Single)
  29. Riga 7 / Colonna 1 → 6 (Naked Single)
  30. XY-Chain: 2 2- r1c6 -6- r1c3 -8- r3c3 -6- r3c9 -8- r5c9 -1- r5c3 -2- r6c1 -3- r8c1 -2- r8c6 -6- r9c4 -2 => r1c4,r8c6<>2
  31. Riga 8 / Colonna 6 → 6 (Naked Single)
  32. Riga 1 / Colonna 6 → 2 (Full House)
  33. Riga 9 / Colonna 4 → 2 (Full House)
  34. Riga 8 / Colonna 7 → 4 (Naked Single)
  35. Riga 9 / Colonna 3 → 4 (Naked Single)
  36. Riga 8 / Colonna 9 → 3 (Naked Single)
  37. Riga 8 / Colonna 1 → 2 (Full House)
  38. Riga 9 / Colonna 2 → 3 (Full House)
  39. Riga 6 / Colonna 1 → 3 (Full House)
  40. Riga 6 / Colonna 2 → 7 (Naked Single)
  41. Riga 4 / Colonna 2 → 4 (Full House)
  42. Riga 2 / Colonna 9 → 4 (Hidden Single)
  43. Riga 4 / Colonna 9 → 7 (Hidden Single)
  44. Riga 6 / Colonna 9 → 5 (Hidden Single)
  45. Riga 6 / Colonna 3 → 2 (Naked Single)
  46. Riga 6 / Colonna 5 → 6 (Full House)
  47. Riga 4 / Colonna 5 → 2 (Full House)
  48. Riga 5 / Colonna 3 → 1 (Naked Single)
  49. Riga 4 / Colonna 3 → 5 (Full House)
  50. Riga 5 / Colonna 9 → 8 (Naked Single)
  51. Riga 5 / Colonna 7 → 2 (Full House)
  52. Riga 3 / Colonna 9 → 6 (Naked Single)
  53. Riga 3 / Colonna 3 → 8 (Full House)
  54. Riga 9 / Colonna 9 → 1 (Full House)
  55. Riga 1 / Colonna 3 → 6 (Full House)
  56. Riga 9 / Colonna 7 → 6 (Full House)
  57. Riga 1 / Colonna 4 → 1 (Naked Single)
  58. Riga 1 / Colonna 8 → 8 (Full House)
  59. Riga 2 / Colonna 4 → 6 (Full House)
  60. Riga 4 / Colonna 7 → 1 (Naked Single)
  61. Riga 4 / Colonna 8 → 6 (Full House)
  62. Riga 7 / Colonna 8 → 5 (Naked Single)
  63. Riga 2 / Colonna 8 → 1 (Full House)
  64. Riga 2 / Colonna 7 → 5 (Full House)
  65. Riga 7 / Colonna 7 → 8 (Full House)
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