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

Questo puzzle di sudoku ha 33 passaggi e viene risolto utilizzando tecniche di Naked Single, Hidden Single, Full House, Uniqueness Test 2, Naked Triple, undefined, Give Up.

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

Passaggi della soluzione:

  1. Riga 6 / Colonna 2 → 7 (Naked Single)
  2. Riga 3 / Colonna 3 → 2 (Hidden Single)
  3. Riga 4 / Colonna 7 → 2 (Hidden Single)
  4. Riga 2 / Colonna 7 → 7 (Hidden Single)
  5. Riga 6 / Colonna 5 → 2 (Hidden Single)
  6. Riga 4 / Colonna 2 → 4 (Hidden Single)
  7. Riga 2 / Colonna 6 → 4 (Hidden Single)
  8. Riga 3 / Colonna 8 → 4 (Hidden Single)
  9. Riga 5 / Colonna 7 → 1 (Hidden Single)
  10. Riga 7 / Colonna 9 → 2 (Hidden Single)
  11. Riga 8 / Colonna 4 → 9 (Hidden Single)
  12. Riga 4 / Colonna 4 → 6 (Naked Single)
  13. Riga 4 / Colonna 8 → 9 (Naked Single)
  14. Riga 4 / Colonna 3 → 1 (Full House)
  15. Riga 5 / Colonna 5 → 3 (Naked Single)
  16. Riga 5 / Colonna 6 → 9 (Full House)
  17. Riga 5 / Colonna 1 → 6 (Naked Single)
  18. Riga 5 / Colonna 8 → 5 (Full House)
  19. Riga 6 / Colonna 3 → 9 (Full House)
  20. Riga 2 / Colonna 1 → 8 (Naked Single)
  21. Riga 7 / Colonna 1 → 9 (Full House)
  22. Riga 1 / Colonna 2 → 3 (Naked Single)
  23. Riga 2 / Colonna 3 → 6 (Full House)
  24. Riga 7 / Colonna 2 → 8 (Naked Single)
  25. Riga 9 / Colonna 2 → 1 (Full House)
  26. Riga 1 / Colonna 9 → 9 (Hidden Single)
  27. Riga 9 / Colonna 5 → 4 (Hidden Single)
  28. Riga 8 / Colonna 5 → 1 (Hidden Single)
  29. Riga 9 / Colonna 6 → 8 (Hidden Single)
  30. Uniqueness Test 2: 1/3 in r2c49,r3c49 => r3c57<>5
  31. Naked Triple: 3,6,8 in r3c567 => r3c49<>3
  32. XYZ-Wing: 3/6/8 in r1c8,r36c7 => r1c7<>6
  33. Give Up: Don't know how to proceed!
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