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

Questo puzzle di sudoku ha 33 passaggi e viene risolto utilizzando tecniche di Naked Triple, Skyscraper, Hidden Single, Naked Single, Full House.

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

Passaggi della soluzione:

  1. Naked Triple: 2,5,7 in r46c4,r5c5 => r456c6<>5, r56c6<>7
  2. Skyscraper: 2 in r2c9,r3c5 (connected by r5c59) => r2c4<>2
  3. Riga 3 / Colonna 5 → 2 (Hidden Single)
  4. Riga 3 / Colonna 3 → 5 (Naked Single)
  5. Riga 1 / Colonna 3 → 2 (Full House)
  6. Skyscraper: 7 in r2c4,r3c8 (connected by r6c48) => r2c79,r3c6<>7
  7. Riga 3 / Colonna 6 → 9 (Naked Single)
  8. Riga 3 / Colonna 8 → 7 (Full House)
  9. Riga 1 / Colonna 6 → 5 (Naked Single)
  10. Riga 2 / Colonna 4 → 7 (Full House)
  11. Riga 6 / Colonna 8 → 5 (Naked Single)
  12. Riga 1 / Colonna 7 → 8 (Naked Single)
  13. Riga 1 / Colonna 8 → 9 (Full House)
  14. Riga 4 / Colonna 8 → 8 (Full House)
  15. Riga 9 / Colonna 6 → 7 (Naked Single)
  16. Riga 9 / Colonna 5 → 5 (Full House)
  17. Riga 5 / Colonna 5 → 7 (Full House)
  18. Riga 6 / Colonna 4 → 2 (Naked Single)
  19. Riga 4 / Colonna 4 → 5 (Full House)
  20. Riga 5 / Colonna 9 → 2 (Naked Single)
  21. Riga 6 / Colonna 2 → 3 (Naked Single)
  22. Riga 2 / Colonna 9 → 5 (Naked Single)
  23. Riga 2 / Colonna 7 → 2 (Full House)
  24. Riga 7 / Colonna 9 → 7 (Full House)
  25. Riga 7 / Colonna 7 → 5 (Full House)
  26. Riga 5 / Colonna 7 → 3 (Naked Single)
  27. Riga 4 / Colonna 2 → 2 (Naked Single)
  28. Riga 5 / Colonna 2 → 5 (Full House)
  29. Riga 5 / Colonna 6 → 8 (Full House)
  30. Riga 6 / Colonna 6 → 1 (Naked Single)
  31. Riga 4 / Colonna 6 → 3 (Full House)
  32. Riga 4 / Colonna 7 → 1 (Full House)
  33. Riga 6 / Colonna 7 → 7 (Full House)
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