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

Questo puzzle di sudoku ha 54 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Pair, Give Up.

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

Passaggi della soluzione:

  1. Riga 6 / Colonna 4 → 8 (Naked Single)
  2. Riga 6 / Colonna 5 → 3 (Naked Single)
  3. Riga 2 / Colonna 6 → 5 (Naked Single)
  4. Riga 1 / Colonna 7 → 9 (Naked Single)
  5. Riga 3 / Colonna 7 → 3 (Naked Single)
  6. Riga 2 / Colonna 8 → 6 (Naked Single)
  7. Riga 4 / Colonna 7 → 8 (Naked Single)
  8. Riga 1 / Colonna 9 → 5 (Naked Single)
  9. Riga 3 / Colonna 9 → 1 (Full House)
  10. Riga 2 / Colonna 2 → 8 (Naked Single)
  11. Riga 7 / Colonna 7 → 4 (Naked Single)
  12. Riga 8 / Colonna 7 → 2 (Full House)
  13. Riga 1 / Colonna 3 → 6 (Naked Single)
  14. Riga 1 / Colonna 2 → 7 (Full House)
  15. Riga 6 / Colonna 9 → 4 (Naked Single)
  16. Riga 4 / Colonna 3 → 1 (Hidden Single)
  17. Riga 2 / Colonna 1 → 3 (Hidden Single)
  18. Riga 4 / Colonna 8 → 3 (Hidden Single)
  19. Riga 9 / Colonna 3 → 8 (Hidden Single)
  20. Riga 5 / Colonna 3 → 2 (Naked Single)
  21. Riga 6 / Colonna 2 → 5 (Naked Single)
  22. Riga 6 / Colonna 8 → 2 (Full House)
  23. Riga 3 / Colonna 2 → 2 (Naked Single)
  24. Riga 4 / Colonna 1 → 6 (Naked Single)
  25. Riga 5 / Colonna 1 → 8 (Full House)
  26. Riga 3 / Colonna 5 → 6 (Hidden Single)
  27. Riga 5 / Colonna 4 → 6 (Hidden Single)
  28. Locked Pair: 7,9 in r45c9 => r5c8,r78c9<>7, r5c8,r78c9<>9
  29. Riga 5 / Colonna 8 → 9 (Naked Single)
  30. Riga 4 / Colonna 9 → 7 (Naked Single)
  31. Riga 4 / Colonna 5 → 9 (Full House)
  32. Riga 4 / Colonna 6 → 9 (Full House)
  33. Riga 5 / Colonna 9 → 7 (Naked Single)
  34. Riga 8 / Colonna 8 → 7 (Naked Single)
  35. Riga 9 / Colonna 8 → 7 (Naked Single)
  36. Riga 3 / Colonna 6 → 7 (Naked Single)
  37. Riga 3 / Colonna 4 → 9 (Hidden Single)
  38. Riga 7 / Colonna 1 → 7 (Hidden Single)
  39. Riga 7 / Colonna 4 → 5 (Naked Single)
  40. Riga 7 / Colonna 3 → 3 (Naked Single)
  41. Riga 7 / Colonna 6 → 8 (Naked Single)
  42. Riga 7 / Colonna 9 → 6 (Naked Single)
  43. Riga 7 / Colonna 2 → 9 (Full House)
  44. Riga 8 / Colonna 6 → 3 (Naked Single)
  45. Riga 8 / Colonna 9 → 8 (Naked Single)
  46. Riga 9 / Colonna 2 → 1 (Naked Single)
  47. Riga 8 / Colonna 2 → 6 (Full House)
  48. Riga 9 / Colonna 4 → 4 (Naked Single)
  49. Riga 2 / Colonna 4 → 1 (Full House)
  50. Riga 8 / Colonna 4 → 1 (Full House)
  51. Riga 2 / Colonna 5 → 4 (Full House)
  52. Riga 9 / Colonna 5 → 4 (Naked Single)
  53. Riga 8 / Colonna 5 → 1 (Naked Single)
  54. Give Up: Don't know how to proceed!
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