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

Questo puzzle di sudoku ha 52 passaggi e viene risolto utilizzando tecniche di Full House, Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Skyscraper, undefined, Naked Pair.

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

Passaggi della soluzione:

  1. Riga 2 / Colonna 2 → 5 (Full House)
  2. Riga 6 / Colonna 8 → 8 (Naked Single)
  3. Riga 6 / Colonna 7 → 7 (Full House)
  4. Riga 3 / Colonna 3 → 2 (Hidden Single)
  5. Riga 4 / Colonna 2 → 6 (Hidden Single)
  6. Riga 5 / Colonna 1 → 8 (Hidden Single)
  7. Riga 1 / Colonna 3 → 1 (Hidden Single)
  8. Riga 6 / Colonna 2 → 2 (Hidden Single)
  9. Riga 7 / Colonna 3 → 6 (Hidden Single)
  10. Locked Candidates Type 1 (Pointing): 7 in b1 => r79c1<>7
  11. Locked Candidates Type 1 (Pointing): 5 in b2 => r6c6<>5
  12. Riga 6 / Colonna 6 → 4 (Naked Single)
  13. Riga 5 / Colonna 2 → 4 (Hidden Single)
  14. Riga 9 / Colonna 2 → 7 (Full House)
  15. Riga 7 / Colonna 4 → 4 (Hidden Single)
  16. Riga 9 / Colonna 1 → 4 (Hidden Single)
  17. Riga 4 / Colonna 4 → 8 (Hidden Single)
  18. Skyscraper: 9 in r7c1,r8c4 (connected by r6c14) => r7c5<>9
  19. X-Wing: 9 c35 r49 => r9c79<>9
  20. Naked Pair: 3,5 in r19c9 => r37c9<>5
  21. W-Wing: 8/9 in r7c7,r9c5 connected by 9 in r8c49 => r7c56,r9c7<>8
  22. Riga 9 / Colonna 7 → 3 (Naked Single)
  23. Riga 1 / Colonna 7 → 6 (Naked Single)
  24. Riga 9 / Colonna 9 → 5 (Naked Single)
  25. Riga 1 / Colonna 1 → 7 (Naked Single)
  26. Riga 3 / Colonna 1 → 6 (Full House)
  27. Riga 3 / Colonna 7 → 9 (Naked Single)
  28. Riga 7 / Colonna 7 → 8 (Full House)
  29. Riga 1 / Colonna 9 → 3 (Naked Single)
  30. Riga 7 / Colonna 8 → 1 (Naked Single)
  31. Riga 9 / Colonna 3 → 9 (Naked Single)
  32. Riga 7 / Colonna 1 → 5 (Full House)
  33. Riga 9 / Colonna 5 → 8 (Full House)
  34. Riga 6 / Colonna 1 → 9 (Full House)
  35. Riga 6 / Colonna 4 → 5 (Full House)
  36. Riga 3 / Colonna 9 → 1 (Naked Single)
  37. Riga 4 / Colonna 3 → 7 (Naked Single)
  38. Riga 5 / Colonna 3 → 5 (Full House)
  39. Riga 5 / Colonna 4 → 7 (Full House)
  40. Riga 8 / Colonna 4 → 9 (Full House)
  41. Riga 8 / Colonna 9 → 7 (Full House)
  42. Riga 7 / Colonna 9 → 9 (Full House)
  43. Riga 1 / Colonna 5 → 4 (Naked Single)
  44. Riga 4 / Colonna 6 → 2 (Naked Single)
  45. Riga 4 / Colonna 5 → 9 (Full House)
  46. Riga 1 / Colonna 8 → 5 (Naked Single)
  47. Riga 1 / Colonna 6 → 8 (Full House)
  48. Riga 3 / Colonna 8 → 4 (Full House)
  49. Riga 3 / Colonna 5 → 7 (Naked Single)
  50. Riga 3 / Colonna 6 → 5 (Full House)
  51. Riga 7 / Colonna 6 → 7 (Full House)
  52. Riga 7 / Colonna 5 → 2 (Full House)
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