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

Questo puzzle di sudoku ha 46 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Uniqueness Test 2, Bivalue Universal Grave + 1.

Naked Single Spiegazione
Full House Spiegazione
Prova a risolvere

Passaggi della soluzione:

  1. Riga 4 / Colonna 4 → 7 (Naked Single)
  2. Riga 5 / Colonna 8 → 8 (Naked Single)
  3. Riga 1 / Colonna 9 → 5 (Naked Single)
  4. Riga 3 / Colonna 4 → 8 (Naked Single)
  5. Riga 9 / Colonna 6 → 6 (Naked Single)
  6. Riga 7 / Colonna 8 → 7 (Naked Single)
  7. Riga 6 / Colonna 4 → 5 (Naked Single)
  8. Riga 1 / Colonna 4 → 2 (Full House)
  9. Riga 1 / Colonna 8 → 1 (Naked Single)
  10. Riga 1 / Colonna 7 → 8 (Naked Single)
  11. Riga 1 / Colonna 3 → 3 (Full House)
  12. Riga 3 / Colonna 5 → 1 (Naked Single)
  13. Riga 2 / Colonna 5 → 3 (Full House)
  14. Riga 3 / Colonna 7 → 6 (Naked Single)
  15. Riga 2 / Colonna 8 → 9 (Full House)
  16. Riga 6 / Colonna 8 → 4 (Full House)
  17. Riga 5 / Colonna 6 → 1 (Naked Single)
  18. Riga 6 / Colonna 6 → 3 (Full House)
  19. Riga 9 / Colonna 5 → 5 (Naked Single)
  20. Riga 7 / Colonna 5 → 8 (Full House)
  21. Riga 9 / Colonna 3 → 2 (Full House)
  22. Riga 7 / Colonna 9 → 2 (Naked Single)
  23. Riga 7 / Colonna 7 → 5 (Full House)
  24. Riga 6 / Colonna 5 → 6 (Naked Single)
  25. Riga 5 / Colonna 5 → 9 (Full House)
  26. Riga 4 / Colonna 7 → 3 (Naked Single)
  27. Riga 5 / Colonna 7 → 2 (Full House)
  28. Riga 2 / Colonna 1 → 8 (Naked Single)
  29. Riga 2 / Colonna 3 → 1 (Full House)
  30. Riga 5 / Colonna 9 → 6 (Naked Single)
  31. Riga 6 / Colonna 9 → 7 (Full House)
  32. Riga 5 / Colonna 2 → 5 (Full House)
  33. Riga 6 / Colonna 3 → 8 (Naked Single)
  34. Riga 6 / Colonna 1 → 2 (Full House)
  35. Uniqueness Test 2: 6/9 in r4c23,r7c23 => r4c1<>4
  36. Riga 4 / Colonna 1 → 9 (Naked Single)
  37. Bivalue Universal Grave + 1 => r3c3<>5, r3c3<>9
  38. Riga 3 / Colonna 3 → 4 (Naked Single)
  39. Riga 3 / Colonna 1 → 5 (Naked Single)
  40. Riga 3 / Colonna 2 → 9 (Full House)
  41. Riga 8 / Colonna 1 → 4 (Full House)
  42. Riga 8 / Colonna 3 → 5 (Full House)
  43. Riga 4 / Colonna 3 → 6 (Naked Single)
  44. Riga 4 / Colonna 2 → 4 (Full House)
  45. Riga 7 / Colonna 2 → 6 (Full House)
  46. Riga 7 / Colonna 3 → 9 (Full House)
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