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

Questo puzzle di sudoku ha 45 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Pair, Naked Triple, Skyscraper, Uniqueness Test 3, Give Up.

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

Passaggi della soluzione:

  1. Riga 4 / Colonna 7 → 8 (Naked Single)
  2. Riga 8 / Colonna 8 → 3 (Naked Single)
  3. Riga 3 / Colonna 7 → 4 (Naked Single)
  4. Riga 4 / Colonna 1 → 2 (Naked Single)
  5. Riga 6 / Colonna 8 → 6 (Naked Single)
  6. Riga 7 / Colonna 7 → 9 (Naked Single)
  7. Riga 5 / Colonna 7 → 5 (Full House)
  8. Riga 4 / Colonna 9 → 7 (Naked Single)
  9. Riga 5 / Colonna 9 → 4 (Full House)
  10. Riga 6 / Colonna 5 → 4 (Naked Single)
  11. Riga 4 / Colonna 5 → 6 (Naked Single)
  12. Riga 4 / Colonna 2 → 1 (Full House)
  13. Riga 9 / Colonna 5 → 3 (Naked Single)
  14. Riga 7 / Colonna 5 → 7 (Naked Single)
  15. Riga 6 / Colonna 1 → 5 (Hidden Single)
  16. Riga 5 / Colonna 6 → 7 (Hidden Single)
  17. Riga 5 / Colonna 4 → 9 (Hidden Single)
  18. Riga 8 / Colonna 6 → 9 (Hidden Single)
  19. Locked Candidates Type 1 (Pointing): 8 in b9 => r123c9<>8
  20. Riga 3 / Colonna 9 → 6 (Naked Single)
  21. Locked Candidates Type 2 (Claiming): 8 in c1 => r1c23,r2c23,r3c2<>8
  22. Naked Pair: 4,8 in r2c16 => r2c2<>4, r2c8<>8
  23. Riga 2 / Colonna 8 → 2 (Naked Single)
  24. Riga 1 / Colonna 8 → 8 (Full House)
  25. Naked Triple: 3,5,6 in r12c3,r2c2 => r1c2<>3, r1c2<>5
  26. Skyscraper: 4 in r1c4,r9c6 (connected by r19c2) => r2c6,r8c4<>4
  27. Riga 2 / Colonna 6 → 8 (Naked Single)
  28. Riga 8 / Colonna 4 → 1 (Naked Single)
  29. Riga 9 / Colonna 6 → 4 (Full House)
  30. Riga 6 / Colonna 6 → 1 (Full House)
  31. Riga 6 / Colonna 4 → 8 (Full House)
  32. Riga 2 / Colonna 1 → 4 (Naked Single)
  33. Riga 3 / Colonna 4 → 2 (Naked Single)
  34. Riga 1 / Colonna 4 → 4 (Full House)
  35. Riga 8 / Colonna 9 → 5 (Naked Single)
  36. Riga 1 / Colonna 2 → 2 (Naked Single)
  37. Riga 8 / Colonna 1 → 7 (Naked Single)
  38. Riga 3 / Colonna 1 → 8 (Full House)
  39. Riga 3 / Colonna 2 → 7 (Full House)
  40. Riga 8 / Colonna 2 → 4 (Full House)
  41. Uniqueness Test 3: 1/8 in r7c39,r9c39 => r2c3<>3, r2c3<>5
  42. Riga 2 / Colonna 3 → 6 (Naked Single)
  43. Riga 5 / Colonna 3 → 8 (Naked Single)
  44. Riga 5 / Colonna 2 → 6 (Full House)
  45. Give Up: Don't know how to proceed!
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