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

Questo puzzle di sudoku ha passaggi e viene risolto utilizzando tecniche di .

Prova a risolvere

Passaggi della soluzione:

  1. Riga 1 / Colonna 2 → 7 (Hidden Single)
  2. Riga 2 / Colonna 8 → 7 (Hidden Single)
  3. Riga 5 / Colonna 3 → 7 (Hidden Single)
  4. Riga 4 / Colonna 9 → 7 (Hidden Single)
  5. Riga 5 / Colonna 7 → 3 (Hidden Single)
  6. Riga 6 / Colonna 4 → 5 (Hidden Single)
  7. Riga 8 / Colonna 4 → 6 (Hidden Single)
  8. Riga 8 / Colonna 5 → 4 (Hidden Single)
  9. Riga 8 / Colonna 9 → 5 (Hidden Single)
  10. Riga 2 / Colonna 5 → 6 (Hidden Single)
  11. Riga 7 / Colonna 6 → 5 (Hidden Single)
  12. Riga 4 / Colonna 6 → 6 (Hidden Single)
  13. Riga 7 / Colonna 7 → 1 (Hidden Single)
  14. Riga 7 / Colonna 3 → 6 (Hidden Single)
  15. Riga 9 / Colonna 9 → 6 (Hidden Single)
  16. Riga 6 / Colonna 7 → 6 (Hidden Single)
  17. Riga 6 / Colonna 1 → 4 (Hidden Single)
  18. Riga 6 / Colonna 9 → 9 (Hidden Single)
  19. Riga 3 / Colonna 9 → 8 (Full House)
  20. Riga 4 / Colonna 1 → 1 (Hidden Single)
  21. Riga 4 / Colonna 3 → 3 (Hidden Single)
  22. Riga 4 / Colonna 7 → 8 (Hidden Single)
  23. Riga 4 / Colonna 8 → 4 (Full House)
  24. Riga 3 / Colonna 8 → 2 (Hidden Single)
  25. Locked Candidates Type 1 (Pointing): 1 in b8 => r9c3<>1
  26. Naked Triple: 1,2,8 in r5c5,r7c5,r9c5 => r1c5<>8
  27. W-Wing: 9/4 in r2c7,r3c4 (connected by r1c7,r1c4) => r2c6<>4,r3c7<>4
  28. Riga 2 / Colonna 6 → 8 (Naked Single)
  29. Riga 1 / Colonna 4 → 9 (Naked Single)
  30. Riga 1 / Colonna 7 → 5 (Naked Single)
  31. Riga 1 / Colonna 5 → 3 (Naked Single)
  32. Riga 1 / Colonna 1 → 8 (Full House)
  33. Riga 2 / Colonna 1 → 2 (Naked Single)
  34. Riga 7 / Colonna 1 → 3 (Full House)
  35. Riga 2 / Colonna 2 → 9 (Naked Single)
  36. Riga 2 / Colonna 7 → 4 (Full House)
  37. Riga 3 / Colonna 7 → 9 (Full House)
  38. Riga 3 / Colonna 3 → 1 (Naked Single)
  39. Riga 3 / Colonna 2 → 3 (Full House)
  40. Riga 3 / Colonna 4 → 4 (Naked Single)
  41. Riga 3 / Colonna 5 → 5 (Full House)
  42. Riga 5 / Colonna 4 → 8 (Full House)
  43. Riga 5 / Colonna 5 → 1 (Naked Single)
  44. Riga 5 / Colonna 6 → 4 (Full House)
  45. Riga 9 / Colonna 6 → 1 (Full House)
  46. Riga 8 / Colonna 3 → 8 (Naked Single)
  47. Riga 6 / Colonna 3 → 2 (Naked Single)
  48. Riga 6 / Colonna 2 → 8 (Full House)
  49. Riga 9 / Colonna 3 → 9 (Full House)
  50. Riga 7 / Colonna 2 → 2 (Naked Single)
  51. Riga 8 / Colonna 2 → 1 (Full House)
  52. Riga 8 / Colonna 8 → 3 (Full House)
  53. Riga 7 / Colonna 5 → 8 (Naked Single)
  54. Riga 7 / Colonna 8 → 9 (Full House)
  55. Riga 9 / Colonna 5 → 2 (Full House)
  56. Riga 9 / Colonna 8 → 8 (Full House)
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