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

Questo puzzle di sudoku ha 45 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Uniqueness Test 2, undefined, Uniqueness Test 1, Give Up.

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

Passaggi della soluzione:

  1. Riga 4 / Colonna 3 → 1 (Naked Single)
  2. Riga 2 / Colonna 4 → 3 (Naked Single)
  3. Riga 5 / Colonna 5 → 3 (Naked Single)
  4. Riga 6 / Colonna 5 → 2 (Full House)
  5. Riga 8 / Colonna 6 → 2 (Naked Single)
  6. Riga 4 / Colonna 2 → 4 (Naked Single)
  7. Riga 4 / Colonna 7 → 2 (Naked Single)
  8. Riga 4 / Colonna 8 → 9 (Full House)
  9. Riga 6 / Colonna 2 → 7 (Naked Single)
  10. Riga 2 / Colonna 7 → 7 (Hidden Single)
  11. Riga 3 / Colonna 3 → 2 (Hidden Single)
  12. Riga 9 / Colonna 8 → 7 (Hidden Single)
  13. Riga 7 / Colonna 1 → 9 (Hidden Single)
  14. Riga 8 / Colonna 4 → 9 (Hidden Single)
  15. Riga 7 / Colonna 9 → 2 (Hidden Single)
  16. Riga 2 / Colonna 6 → 4 (Hidden Single)
  17. Riga 9 / Colonna 6 → 8 (Full House)
  18. Riga 9 / Colonna 3 → 3 (Naked Single)
  19. Riga 9 / Colonna 2 → 1 (Naked Single)
  20. Riga 7 / Colonna 2 → 8 (Full House)
  21. Riga 1 / Colonna 2 → 3 (Full House)
  22. Riga 9 / Colonna 4 → 5 (Naked Single)
  23. Riga 3 / Colonna 4 → 1 (Full House)
  24. Riga 9 / Colonna 5 → 4 (Full House)
  25. Riga 8 / Colonna 5 → 1 (Full House)
  26. Riga 1 / Colonna 5 → 5 (Naked Single)
  27. Riga 3 / Colonna 5 → 8 (Full House)
  28. Riga 1 / Colonna 8 → 6 (Naked Single)
  29. Riga 1 / Colonna 1 → 1 (Full House)
  30. Riga 6 / Colonna 7 → 6 (Hidden Single)
  31. Uniqueness Test 2: 3/4 in r3c89,r6c89 => r3c7<>5
  32. W-Wing: 3/4 in r3c7,r6c8 connected by 4 in r7c78 => r3c8<>3
  33. Riga 6 / Colonna 8 → 3 (Hidden Single)
  34. Riga 6 / Colonna 9 → 4 (Full House)
  35. Uniqueness Test 1: 3/5 in r3c79,r8c79 => r3c7<>3
  36. Riga 3 / Colonna 7 → 4 (Naked Single)
  37. Riga 3 / Colonna 8 → 5 (Naked Single)
  38. Riga 3 / Colonna 9 → 3 (Full House)
  39. Riga 8 / Colonna 9 → 5 (Full House)
  40. Riga 8 / Colonna 7 → 3 (Full House)
  41. Riga 7 / Colonna 7 → 1 (Naked Single)
  42. Riga 5 / Colonna 7 → 5 (Full House)
  43. Riga 5 / Colonna 8 → 1 (Full House)
  44. Riga 7 / Colonna 8 → 4 (Full House)
  45. Give Up: Don't know how to proceed!
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