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

Questo puzzle di sudoku ha 45 passaggi e viene risolto utilizzando tecniche di Naked Single, Hidden Single, Locked Pair, Full House, Uniqueness Test 1, Bivalue Universal Grave + 1.

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

Passaggi della soluzione:

  1. Riga 9 / Colonna 4 → 5 (Naked Single)
  2. Riga 5 / Colonna 6 → 8 (Hidden Single)
  3. Riga 2 / Colonna 7 → 2 (Hidden Single)
  4. Riga 5 / Colonna 8 → 2 (Hidden Single)
  5. Riga 8 / Colonna 3 → 5 (Hidden Single)
  6. Riga 1 / Colonna 7 → 7 (Hidden Single)
  7. Riga 5 / Colonna 4 → 1 (Hidden Single)
  8. Riga 4 / Colonna 8 → 1 (Hidden Single)
  9. Locked Pair: 6,9 in r56c1 => r23c1,r4c3<>6, r4c3,r7c1<>9
  10. Riga 7 / Colonna 1 → 1 (Naked Single)
  11. Riga 7 / Colonna 3 → 9 (Full House)
  12. Riga 4 / Colonna 3 → 9 (Naked Single)
  13. Riga 4 / Colonna 5 → 6 (Naked Single)
  14. Riga 5 / Colonna 1 → 6 (Naked Single)
  15. Riga 5 / Colonna 7 → 9 (Full House)
  16. Riga 6 / Colonna 7 → 6 (Full House)
  17. Riga 6 / Colonna 1 → 6 (Naked Single)
  18. Riga 6 / Colonna 6 → 2 (Naked Single)
  19. Riga 8 / Colonna 5 → 9 (Naked Single)
  20. Riga 8 / Colonna 4 → 6 (Full House)
  21. Riga 6 / Colonna 5 → 4 (Naked Single)
  22. Riga 6 / Colonna 4 → 9 (Full House)
  23. Riga 1 / Colonna 4 → 4 (Naked Single)
  24. Riga 3 / Colonna 4 → 2 (Full House)
  25. Riga 7 / Colonna 6 → 7 (Naked Single)
  26. Riga 2 / Colonna 6 → 6 (Full House)
  27. Riga 9 / Colonna 5 → 8 (Naked Single)
  28. Riga 7 / Colonna 5 → 2 (Full House)
  29. Riga 9 / Colonna 8 → 7 (Full House)
  30. Riga 2 / Colonna 3 → 4 (Hidden Single)
  31. Uniqueness Test 1: 6/8 in r1c89,r7c89 => r1c9<>6, r1c9<>8
  32. Riga 1 / Colonna 8 → 8 (Hidden Single)
  33. Riga 7 / Colonna 8 → 6 (Full House)
  34. Riga 7 / Colonna 9 → 8 (Full House)
  35. Riga 1 / Colonna 3 → 6 (Hidden Single)
  36. Riga 3 / Colonna 3 → 1 (Naked Single)
  37. Riga 3 / Colonna 9 → 6 (Hidden Single)
  38. Bivalue Universal Grave + 1 => r2c5<>1, r2c5<>7
  39. Riga 2 / Colonna 5 → 5 (Naked Single)
  40. Riga 1 / Colonna 5 → 1 (Naked Single)
  41. Riga 3 / Colonna 5 → 7 (Full House)
  42. Riga 1 / Colonna 9 → 5 (Full House)
  43. Riga 2 / Colonna 9 → 1 (Full House)
  44. Riga 2 / Colonna 1 → 7 (Full House)
  45. Riga 3 / Colonna 1 → 5 (Full House)
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