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

Questo puzzle di sudoku ha 39 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), undefined, Uniqueness Test 1, Give Up.

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

Passaggi della soluzione:

  1. Riga 5 / Colonna 2 → 1 (Naked Single)
  2. Riga 7 / Colonna 2 → 4 (Naked Single)
  3. Riga 2 / Colonna 2 → 9 (Naked Single)
  4. Riga 9 / Colonna 2 → 6 (Naked Single)
  5. Riga 1 / Colonna 1 → 1 (Naked Single)
  6. Riga 2 / Colonna 3 → 4 (Full House)
  7. Riga 1 / Colonna 4 → 8 (Hidden Single)
  8. Riga 1 / Colonna 5 → 6 (Hidden Single)
  9. Riga 3 / Colonna 8 → 6 (Hidden Single)
  10. Riga 7 / Colonna 9 → 7 (Hidden Single)
  11. Riga 9 / Colonna 3 → 1 (Hidden Single)
  12. Riga 9 / Colonna 5 → 4 (Hidden Single)
  13. Riga 1 / Colonna 7 → 9 (Hidden Single)
  14. Riga 4 / Colonna 1 → 9 (Hidden Single)
  15. Riga 8 / Colonna 9 → 4 (Hidden Single)
  16. Riga 1 / Colonna 9 → 3 (Naked Single)
  17. Riga 1 / Colonna 8 → 4 (Full House)
  18. Riga 5 / Colonna 9 → 2 (Naked Single)
  19. Riga 5 / Colonna 1 → 8 (Naked Single)
  20. Riga 8 / Colonna 1 → 2 (Full House)
  21. Riga 8 / Colonna 3 → 8 (Full House)
  22. Riga 5 / Colonna 3 → 3 (Naked Single)
  23. Riga 5 / Colonna 4 → 4 (Full House)
  24. Riga 6 / Colonna 3 → 6 (Naked Single)
  25. Riga 4 / Colonna 3 → 2 (Full House)
  26. Riga 6 / Colonna 9 → 1 (Naked Single)
  27. Riga 4 / Colonna 9 → 6 (Full House)
  28. Riga 4 / Colonna 7 → 4 (Hidden Single)
  29. Locked Candidates Type 1 (Pointing): 2 in b3 => r7c7<>2
  30. W-Wing: 3/1 in r2c5,r4c6 connected by 1 in r7c56 => r2c6<>3
  31. XY-Wing: 1/2/3 in r2c5,r39c4 => r2c4,r7c5<>3
  32. Riga 7 / Colonna 5 → 1 (Naked Single)
  33. Riga 2 / Colonna 5 → 3 (Full House)
  34. Uniqueness Test 1: 1/2 in r2c47,r3c47 => r2c4<>1, r2c4<>2
  35. Riga 2 / Colonna 4 → 5 (Naked Single)
  36. Riga 8 / Colonna 4 → 9 (Naked Single)
  37. Riga 8 / Colonna 6 → 5 (Full House)
  38. Riga 6 / Colonna 6 → 9 (Hidden Single)
  39. Give Up: Don't know how to proceed!
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