Soluzione per Sudoku difficile #3124735168919

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

Questo puzzle di sudoku ha 56 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Bivalue Universal Grave + 1.

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

Passaggi della soluzione:

  1. Riga 6 / Colonna 5 → 7 (Naked Single)
  2. Riga 4 / Colonna 3 → 3 (Naked Single)
  3. Riga 6 / Colonna 2 → 8 (Naked Single)
  4. Riga 2 / Colonna 3 → 2 (Naked Single)
  5. Riga 9 / Colonna 3 → 5 (Naked Single)
  6. Riga 7 / Colonna 2 → 6 (Naked Single)
  7. Riga 5 / Colonna 3 → 1 (Naked Single)
  8. Riga 8 / Colonna 3 → 4 (Full House)
  9. Riga 7 / Colonna 6 → 1 (Naked Single)
  10. Riga 8 / Colonna 7 → 5 (Naked Single)
  11. Riga 7 / Colonna 1 → 8 (Naked Single)
  12. Riga 6 / Colonna 7 → 1 (Naked Single)
  13. Riga 6 / Colonna 9 → 5 (Full House)
  14. Riga 7 / Colonna 9 → 4 (Naked Single)
  15. Riga 7 / Colonna 5 → 5 (Full House)
  16. Riga 8 / Colonna 9 → 6 (Naked Single)
  17. Riga 8 / Colonna 8 → 8 (Full House)
  18. Riga 3 / Colonna 9 → 2 (Naked Single)
  19. Riga 8 / Colonna 2 → 2 (Hidden Single)
  20. Riga 5 / Colonna 1 → 5 (Hidden Single)
  21. Riga 8 / Colonna 1 → 1 (Hidden Single)
  22. Riga 9 / Colonna 5 → 8 (Hidden Single)
  23. Riga 2 / Colonna 4 → 8 (Hidden Single)
  24. Riga 8 / Colonna 5 → 3 (Hidden Single)
  25. Riga 9 / Colonna 6 → 6 (Hidden Single)
  26. Riga 2 / Colonna 8 → 5 (Hidden Single)
  27. Riga 3 / Colonna 4 → 5 (Hidden Single)
  28. Locked Candidates Type 1 (Pointing): 3 in b1 => r2c79<>3
  29. Locked Candidates Type 1 (Pointing): 9 in b5 => r123c5<>9
  30. Riga 3 / Colonna 1 → 9 (Hidden Single)
  31. Riga 2 / Colonna 2 → 3 (Naked Single)
  32. Riga 2 / Colonna 1 → 6 (Full House)
  33. Riga 4 / Colonna 1 → 7 (Naked Single)
  34. Riga 5 / Colonna 2 → 9 (Full House)
  35. Riga 9 / Colonna 2 → 7 (Full House)
  36. Riga 9 / Colonna 1 → 3 (Full House)
  37. Riga 4 / Colonna 8 → 2 (Naked Single)
  38. Riga 4 / Colonna 5 → 9 (Full House)
  39. Riga 5 / Colonna 5 → 2 (Full House)
  40. Bivalue Universal Grave + 1 => r1c9<>1, r1c9<>3
  41. Riga 1 / Colonna 9 → 7 (Naked Single)
  42. Riga 1 / Colonna 4 → 9 (Naked Single)
  43. Riga 8 / Colonna 4 → 7 (Full House)
  44. Riga 8 / Colonna 6 → 9 (Full House)
  45. Riga 2 / Colonna 6 → 7 (Full House)
  46. Riga 1 / Colonna 8 → 6 (Naked Single)
  47. Riga 2 / Colonna 9 → 1 (Naked Single)
  48. Riga 5 / Colonna 9 → 3 (Full House)
  49. Riga 1 / Colonna 7 → 3 (Naked Single)
  50. Riga 1 / Colonna 5 → 1 (Full House)
  51. Riga 3 / Colonna 8 → 4 (Naked Single)
  52. Riga 2 / Colonna 7 → 9 (Full House)
  53. Riga 2 / Colonna 5 → 4 (Full House)
  54. Riga 5 / Colonna 7 → 4 (Full House)
  55. Riga 3 / Colonna 5 → 6 (Full House)
  56. Riga 5 / Colonna 8 → 7 (Full House)
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