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

Questo puzzle di sudoku ha 53 passaggi e viene risolto utilizzando tecniche di Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Skyscraper, Locked Pair, 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 1 / Colonna 8 → 8 (Hidden Single)
  2. Riga 4 / Colonna 7 → 8 (Hidden Single)
  3. Riga 2 / Colonna 1 → 4 (Hidden Single)
  4. Riga 4 / Colonna 3 → 4 (Hidden Single)
  5. Riga 8 / Colonna 1 → 6 (Hidden Single)
  6. Riga 9 / Colonna 7 → 6 (Hidden Single)
  7. Riga 8 / Colonna 6 → 8 (Hidden Single)
  8. Riga 7 / Colonna 5 → 4 (Hidden Single)
  9. Riga 1 / Colonna 4 → 4 (Hidden Single)
  10. Riga 5 / Colonna 9 → 4 (Hidden Single)
  11. Riga 5 / Colonna 2 → 6 (Hidden Single)
  12. Riga 7 / Colonna 7 → 9 (Hidden Single)
  13. Riga 7 / Colonna 6 → 2 (Naked Single)
  14. Riga 5 / Colonna 6 → 7 (Naked Single)
  15. Riga 8 / Colonna 4 → 9 (Naked Single)
  16. Riga 9 / Colonna 4 → 5 (Naked Single)
  17. Riga 9 / Colonna 5 → 3 (Full House)
  18. Riga 5 / Colonna 1 → 3 (Hidden Single)
  19. Riga 2 / Colonna 6 → 9 (Hidden Single)
  20. Riga 7 / Colonna 8 → 7 (Hidden Single)
  21. Riga 7 / Colonna 2 → 3 (Naked Single)
  22. Riga 7 / Colonna 3 → 1 (Full House)
  23. Riga 9 / Colonna 9 → 2 (Naked Single)
  24. Riga 8 / Colonna 3 → 2 (Naked Single)
  25. Locked Candidates Type 1 (Pointing): 1 in b5 => r6c9<>1
  26. Locked Candidates Type 1 (Pointing): 5 in b6 => r2c9<>5
  27. Skyscraper: 2 in r1c2,r4c1 (connected by r14c5) => r3c1,r6c2<>2
  28. Riga 4 / Colonna 1 → 2 (Hidden Single)
  29. Riga 4 / Colonna 9 → 7 (Hidden Single)
  30. Riga 6 / Colonna 9 → 5 (Naked Single)
  31. Locked Pair: 7,9 in r3c13 => r2c2,r3c4<>7
  32. Riga 2 / Colonna 4 → 7 (Hidden Single)
  33. Locked Candidates Type 1 (Pointing): 1 in b2 => r3c8<>1
  34. Uniqueness Test 1: 5/6 in r1c56,r4c56 => r1c5<>5, r1c5<>6
  35. Riga 1 / Colonna 5 → 2 (Naked Single)
  36. Riga 1 / Colonna 2 → 5 (Naked Single)
  37. Riga 1 / Colonna 6 → 6 (Full House)
  38. Riga 4 / Colonna 6 → 5 (Full House)
  39. Riga 4 / Colonna 5 → 6 (Full House)
  40. Riga 3 / Colonna 4 → 1 (Naked Single)
  41. Riga 3 / Colonna 5 → 5 (Full House)
  42. Riga 6 / Colonna 5 → 1 (Full House)
  43. Riga 6 / Colonna 4 → 2 (Full House)
  44. Riga 2 / Colonna 2 → 2 (Naked Single)
  45. Riga 3 / Colonna 8 → 2 (Naked Single)
  46. Riga 2 / Colonna 7 → 1 (Naked Single)
  47. Riga 5 / Colonna 7 → 2 (Full House)
  48. Riga 5 / Colonna 8 → 1 (Full House)
  49. Riga 2 / Colonna 9 → 3 (Naked Single)
  50. Riga 2 / Colonna 8 → 5 (Full House)
  51. Riga 8 / Colonna 8 → 3 (Full House)
  52. Riga 8 / Colonna 9 → 1 (Full House)
  53. Give Up: Don't know how to proceed!
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