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

Questo puzzle di sudoku ha 24 passaggi e viene risolto utilizzando tecniche di Locked Candidates Type 2 (Claiming), Skyscraper, Naked Single, Full House.

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

Passaggi della soluzione:

  1. Locked Candidates Type 2 (Claiming): 1 in c3 => r4c1<>1
  2. Skyscraper: 1 in r3c2,r9c1 (connected by r39c9) => r1c1,r7c2<>1
  3. Riga 7 / Colonna 2 → 3 (Naked Single)
  4. Riga 7 / Colonna 4 → 1 (Full House)
  5. Riga 9 / Colonna 1 → 1 (Full House)
  6. Riga 8 / Colonna 4 → 3 (Full House)
  7. Riga 9 / Colonna 9 → 3 (Full House)
  8. Riga 2 / Colonna 9 → 2 (Naked Single)
  9. Riga 2 / Colonna 3 → 3 (Full House)
  10. Riga 3 / Colonna 9 → 1 (Full House)
  11. Riga 1 / Colonna 1 → 2 (Naked Single)
  12. Riga 4 / Colonna 1 → 3 (Full House)
  13. Riga 6 / Colonna 3 → 1 (Naked Single)
  14. Riga 4 / Colonna 3 → 2 (Full House)
  15. Riga 4 / Colonna 8 → 1 (Full House)
  16. Riga 6 / Colonna 7 → 3 (Full House)
  17. Riga 3 / Colonna 2 → 8 (Naked Single)
  18. Riga 1 / Colonna 2 → 1 (Full House)
  19. Riga 3 / Colonna 5 → 2 (Full House)
  20. Riga 1 / Colonna 5 → 8 (Full House)
  21. Riga 8 / Colonna 8 → 4 (Naked Single)
  22. Riga 1 / Colonna 8 → 3 (Full House)
  23. Riga 1 / Colonna 7 → 4 (Full House)
  24. Riga 8 / Colonna 7 → 1 (Full House)
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