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

Questo puzzle di sudoku ha 38 passaggi e viene risolto utilizzando tecniche di Naked Triple, Naked Single, Hidden Pair, undefined, Skyscraper, Full House, Hidden Single.

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

Passaggi della soluzione:

  1. Naked Triple: 1,7,9 in r8c149 => r8c37<>1, r8c37<>7, r8c37<>9
  2. Naked Triple: 3,4,9 in r158c7 => r3c7<>3, r369c7<>9
  3. Riga 3 / Colonna 7 → 7 (Naked Single)
  4. Hidden Pair: 3,4 in r7c8,r8c7 => r7c8<>9
  5. X-Wing: 4 r58 c37 => r47c3<>4
  6. X-Wing: 9 c14 r68 => r6c8,r8c9<>9
  7. Skyscraper: 1 in r4c6,r8c4 (connected by r48c9) => r6c4,r7c6<>1
  8. Riga 6 / Colonna 4 → 9 (Naked Single)
  9. Riga 4 / Colonna 6 → 1 (Full House)
  10. Riga 7 / Colonna 6 → 9 (Full House)
  11. Riga 8 / Colonna 4 → 1 (Full House)
  12. Riga 6 / Colonna 1 → 7 (Naked Single)
  13. Riga 8 / Colonna 1 → 9 (Full House)
  14. Riga 8 / Colonna 9 → 7 (Naked Single)
  15. Riga 6 / Colonna 8 → 6 (Naked Single)
  16. Riga 6 / Colonna 7 → 1 (Full House)
  17. Riga 9 / Colonna 2 → 8 (Naked Single)
  18. Riga 4 / Colonna 9 → 9 (Naked Single)
  19. Riga 9 / Colonna 8 → 9 (Naked Single)
  20. Riga 9 / Colonna 7 → 6 (Naked Single)
  21. Riga 4 / Colonna 3 → 2 (Naked Single)
  22. Riga 5 / Colonna 7 → 4 (Naked Single)
  23. Riga 4 / Colonna 8 → 7 (Full House)
  24. Riga 4 / Colonna 2 → 4 (Full House)
  25. Riga 5 / Colonna 3 → 9 (Full House)
  26. Riga 9 / Colonna 9 → 1 (Naked Single)
  27. Riga 7 / Colonna 9 → 8 (Full House)
  28. Riga 9 / Colonna 3 → 7 (Full House)
  29. Riga 3 / Colonna 8 → 3 (Naked Single)
  30. Riga 1 / Colonna 7 → 9 (Full House)
  31. Riga 8 / Colonna 7 → 3 (Full House)
  32. Riga 7 / Colonna 8 → 4 (Full House)
  33. Riga 1 / Colonna 2 → 3 (Full House)
  34. Riga 8 / Colonna 3 → 4 (Full House)
  35. Riga 7 / Colonna 2 → 3 (Naked Single)
  36. Riga 3 / Colonna 3 → 3 (Naked Single)
  37. Riga 7 / Colonna 3 → 1 (Naked Single)
  38. Riga 3 / Colonna 2 → 2 (Hidden Single)
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