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

Questo puzzle di sudoku ha 57 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Single, Skyscraper, Locked Candidates Type 2 (Claiming), Full House.

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

Passaggi della soluzione:

  1. Riga 2 / Colonna 6 → 9 (Hidden Single)
  2. Riga 5 / Colonna 5 → 3 (Hidden Single)
  3. Riga 8 / Colonna 6 → 3 (Hidden Single)
  4. Riga 8 / Colonna 2 → 1 (Hidden Single)
  5. Riga 9 / Colonna 5 → 8 (Hidden Single)
  6. Riga 8 / Colonna 1 → 2 (Hidden Single)
  7. Riga 4 / Colonna 2 → 6 (Hidden Single)
  8. Riga 1 / Colonna 6 → 8 (Hidden Single)
  9. Riga 8 / Colonna 8 → 6 (Hidden Single)
  10. Riga 7 / Colonna 3 → 6 (Hidden Single)
  11. Riga 6 / Colonna 2 → 2 (Hidden Single)
  12. Riga 4 / Colonna 4 → 8 (Hidden Single)
  13. Riga 3 / Colonna 6 → 5 (Hidden Single)
  14. Riga 5 / Colonna 1 → 8 (Hidden Single)
  15. Locked Candidates Type 1 (Pointing): 4 in b2 => r7c5<>4
  16. Locked Candidates Type 1 (Pointing): 7 in b2 => r47c5<>7
  17. Locked Candidates Type 1 (Pointing): 5 in b3 => r7c8<>5
  18. Locked Candidates Type 1 (Pointing): 7 in b6 => r6c146<>7
  19. Riga 6 / Colonna 6 → 4 (Naked Single)
  20. Riga 5 / Colonna 2 → 4 (Hidden Single)
  21. Riga 7 / Colonna 4 → 4 (Hidden Single)
  22. Riga 9 / Colonna 1 → 4 (Hidden Single)
  23. Locked Candidates Type 1 (Pointing): 7 in b4 => r9c3<>7
  24. Skyscraper: 7 in r2c8,r9c9 (connected by r29c2) => r3c9,r7c8<>7
  25. Locked Candidates Type 2 (Claiming): 7 in c9 => r7c7<>7
  26. Skyscraper: 9 in r7c1,r8c4 (connected by r6c14) => r7c5<>9
  27. Riga 7 / Colonna 5 → 2 (Naked Single)
  28. Riga 4 / Colonna 5 → 9 (Naked Single)
  29. Riga 7 / Colonna 6 → 7 (Naked Single)
  30. Riga 4 / Colonna 6 → 2 (Full House)
  31. Riga 4 / Colonna 3 → 7 (Full House)
  32. Riga 8 / Colonna 4 → 9 (Full House)
  33. Riga 8 / Colonna 9 → 7 (Full House)
  34. Riga 6 / Colonna 4 → 5 (Naked Single)
  35. Riga 5 / Colonna 4 → 7 (Full House)
  36. Riga 5 / Colonna 3 → 5 (Full House)
  37. Riga 6 / Colonna 1 → 9 (Full House)
  38. Riga 9 / Colonna 3 → 9 (Full House)
  39. Riga 7 / Colonna 1 → 5 (Naked Single)
  40. Riga 9 / Colonna 2 → 7 (Full House)
  41. Riga 9 / Colonna 9 → 5 (Full House)
  42. Riga 2 / Colonna 2 → 5 (Full House)
  43. Riga 2 / Colonna 8 → 7 (Full House)
  44. Riga 1 / Colonna 7 → 6 (Naked Single)
  45. Riga 6 / Colonna 8 → 8 (Naked Single)
  46. Riga 6 / Colonna 7 → 7 (Full House)
  47. Riga 1 / Colonna 1 → 7 (Naked Single)
  48. Riga 3 / Colonna 1 → 6 (Full House)
  49. Riga 3 / Colonna 7 → 9 (Naked Single)
  50. Riga 7 / Colonna 7 → 8 (Full House)
  51. Riga 7 / Colonna 8 → 1 (Naked Single)
  52. Riga 7 / Colonna 9 → 9 (Full House)
  53. Riga 3 / Colonna 9 → 1 (Full House)
  54. Riga 1 / Colonna 5 → 4 (Naked Single)
  55. Riga 1 / Colonna 8 → 5 (Full House)
  56. Riga 3 / Colonna 8 → 4 (Full House)
  57. Riga 3 / Colonna 5 → 7 (Full House)
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