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

Questo puzzle di sudoku ha 31 passaggi e viene risolto utilizzando tecniche di Locked Candidates Type 1 (Pointing), Hidden Single, Naked Single, Full House.

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

Passaggi della soluzione:

  1. Locked Candidates Type 1 (Pointing): 2 in b5 => r5c9<>2
  2. Riga 4 / Colonna 9 → 2 (Hidden Single)
  3. Locked Candidates Type 1 (Pointing): 1 in b6 => r8c9<>1
  4. Riga 8 / Colonna 8 → 1 (Hidden Single)
  5. Riga 2 / Colonna 8 → 2 (Naked Single)
  6. Riga 7 / Colonna 8 → 9 (Naked Single)
  7. Riga 1 / Colonna 8 → 3 (Full House)
  8. Riga 7 / Colonna 5 → 2 (Full House)
  9. Riga 8 / Colonna 9 → 3 (Naked Single)
  10. Riga 9 / Colonna 7 → 2 (Full House)
  11. Riga 9 / Colonna 6 → 6 (Naked Single)
  12. Riga 8 / Colonna 6 → 9 (Naked Single)
  13. Riga 9 / Colonna 2 → 4 (Naked Single)
  14. Riga 8 / Colonna 2 → 6 (Full House)
  15. Riga 8 / Colonna 5 → 4 (Full House)
  16. Riga 9 / Colonna 4 → 3 (Full House)
  17. Riga 1 / Colonna 6 → 1 (Naked Single)
  18. Riga 1 / Colonna 7 → 9 (Full House)
  19. Riga 5 / Colonna 6 → 2 (Full House)
  20. Riga 3 / Colonna 5 → 9 (Naked Single)
  21. Riga 2 / Colonna 4 → 4 (Full House)
  22. Riga 3 / Colonna 7 → 4 (Full House)
  23. Riga 5 / Colonna 5 → 3 (Full House)
  24. Riga 2 / Colonna 7 → 1 (Full House)
  25. Riga 4 / Colonna 7 → 3 (Full House)
  26. Riga 4 / Colonna 4 → 9 (Full House)
  27. Riga 6 / Colonna 4 → 1 (Full House)
  28. Riga 5 / Colonna 2 → 9 (Naked Single)
  29. Riga 5 / Colonna 9 → 1 (Full House)
  30. Riga 6 / Colonna 9 → 9 (Full House)
  31. Riga 6 / Colonna 2 → 3 (Full House)
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