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

Questo puzzle di sudoku ha 55 passaggi e viene risolto utilizzando tecniche di Naked Single, Locked Candidates Type 1 (Pointing), Naked Pair, Naked Triple, Hidden Single, Hidden Pair, Skyscraper, 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 3 / Colonna 5 → 3 (Naked Single)
  2. Locked Candidates Type 1 (Pointing): 4 in b8 => r9c79<>4
  3. Naked Pair: 5,9 in r48c5 => r7c5<>5, r7c5<>9
  4. Naked Triple: 3,5,9 in r8c358 => r8c79<>3, r8c7<>5, r8c9<>9
  5. Riga 9 / Colonna 9 → 9 (Hidden Single)
  6. Riga 5 / Colonna 9 → 2 (Hidden Single)
  7. Locked Candidates Type 1 (Pointing): 5 in b9 => r45c8<>5
  8. Naked Pair: 3,8 in r5c28 => r5c1467<>3, r5c7<>8
  9. Locked Candidates Type 1 (Pointing): 3 in b5 => r4c12789<>3
  10. Hidden Pair: 1,6 in r14c8 => r1c8<>3, r14c8<>8
  11. Skyscraper: 1 in r1c8,r2c2 (connected by r4c28) => r1c1,r2c7<>1
  12. Riga 1 / Colonna 8 → 1 (Hidden Single)
  13. Riga 1 / Colonna 4 → 8 (Naked Single)
  14. Riga 4 / Colonna 8 → 6 (Naked Single)
  15. Riga 2 / Colonna 5 → 2 (Naked Single)
  16. Riga 1 / Colonna 6 → 6 (Naked Single)
  17. Riga 7 / Colonna 5 → 8 (Naked Single)
  18. Riga 1 / Colonna 9 → 3 (Naked Single)
  19. Riga 1 / Colonna 1 → 2 (Full House)
  20. Riga 3 / Colonna 6 → 7 (Naked Single)
  21. Riga 3 / Colonna 4 → 1 (Full House)
  22. Riga 3 / Colonna 1 → 6 (Full House)
  23. Riga 2 / Colonna 7 → 8 (Naked Single)
  24. Riga 2 / Colonna 9 → 6 (Full House)
  25. Riga 6 / Colonna 9 → 7 (Naked Single)
  26. Riga 9 / Colonna 7 → 3 (Naked Single)
  27. Riga 8 / Colonna 9 → 4 (Naked Single)
  28. Riga 4 / Colonna 9 → 8 (Full House)
  29. Riga 6 / Colonna 7 → 1 (Naked Single)
  30. Riga 6 / Colonna 1 → 3 (Full House)
  31. Riga 8 / Colonna 8 → 5 (Naked Single)
  32. Riga 9 / Colonna 4 → 4 (Naked Single)
  33. Riga 8 / Colonna 7 → 7 (Naked Single)
  34. Riga 4 / Colonna 2 → 1 (Naked Single)
  35. Riga 5 / Colonna 8 → 3 (Naked Single)
  36. Riga 2 / Colonna 1 → 1 (Naked Single)
  37. Riga 2 / Colonna 2 → 3 (Full House)
  38. Riga 5 / Colonna 2 → 8 (Full House)
  39. Riga 7 / Colonna 8 → 2 (Naked Single)
  40. Riga 9 / Colonna 8 → 8 (Full House)
  41. Riga 9 / Colonna 6 → 2 (Full House)
  42. Riga 8 / Colonna 5 → 9 (Naked Single)
  43. Riga 4 / Colonna 5 → 5 (Full House)
  44. Riga 8 / Colonna 3 → 3 (Full House)
  45. Riga 7 / Colonna 3 → 9 (Full House)
  46. Riga 7 / Colonna 6 → 3 (Naked Single)
  47. Riga 7 / Colonna 4 → 5 (Full House)
  48. Riga 4 / Colonna 7 → 4 (Naked Single)
  49. Riga 5 / Colonna 7 → 5 (Full House)
  50. Riga 5 / Colonna 4 → 7 (Naked Single)
  51. Riga 4 / Colonna 4 → 3 (Full House)
  52. Riga 4 / Colonna 6 → 9 (Naked Single)
  53. Riga 4 / Colonna 1 → 7 (Full House)
  54. Riga 5 / Colonna 1 → 9 (Full House)
  55. Riga 5 / Colonna 6 → 4 (Full House)
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