Soluzione per Sudoku difficile #147713524895

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

Questo puzzle di sudoku ha 57 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Locked Triple, Naked Single, Full House.

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

Passaggi della soluzione:

  1. Riga 5 / Colonna 1 → 7 (Hidden Single)
  2. Riga 2 / Colonna 9 → 8 (Hidden Single)
  3. Riga 1 / Colonna 1 → 9 (Hidden Single)
  4. Riga 7 / Colonna 5 → 2 (Hidden Single)
  5. Riga 8 / Colonna 1 → 8 (Hidden Single)
  6. Riga 2 / Colonna 7 → 3 (Hidden Single)
  7. Locked Candidates Type 1 (Pointing): 5 in b3 => r3c24<>5
  8. Locked Candidates Type 1 (Pointing): 6 in b5 => r5c23789<>6
  9. Locked Candidates Type 1 (Pointing): 8 in b5 => r5c28<>8
  10. Locked Candidates Type 1 (Pointing): 9 in b5 => r5c789<>9
  11. Riga 3 / Colonna 7 → 9 (Hidden Single)
  12. Locked Triple: 2,3,4 in r5c789 => r4c9,r5c23<>2, r5c23,r6c89<>3, r5c23,r6c78<>4
  13. Riga 5 / Colonna 2 → 1 (Naked Single)
  14. Riga 5 / Colonna 3 → 1 (Naked Single)
  15. Riga 6 / Colonna 7 → 6 (Naked Single)
  16. Riga 1 / Colonna 7 → 2 (Naked Single)
  17. Riga 8 / Colonna 7 → 4 (Full House)
  18. Riga 5 / Colonna 7 → 4 (Full House)
  19. Riga 6 / Colonna 9 → 5 (Naked Single)
  20. Riga 5 / Colonna 8 → 3 (Naked Single)
  21. Riga 3 / Colonna 9 → 6 (Naked Single)
  22. Riga 3 / Colonna 8 → 5 (Full House)
  23. Riga 4 / Colonna 9 → 9 (Naked Single)
  24. Riga 6 / Colonna 1 → 4 (Naked Single)
  25. Riga 6 / Colonna 8 → 8 (Naked Single)
  26. Riga 6 / Colonna 2 → 3 (Full House)
  27. Riga 5 / Colonna 9 → 2 (Naked Single)
  28. Riga 3 / Colonna 4 → 2 (Naked Single)
  29. Riga 3 / Colonna 5 → 4 (Full House)
  30. Riga 3 / Colonna 2 → 4 (Full House)
  31. Riga 4 / Colonna 8 → 8 (Naked Single)
  32. Riga 9 / Colonna 9 → 1 (Naked Single)
  33. Riga 8 / Colonna 9 → 3 (Full House)
  34. Riga 2 / Colonna 1 → 1 (Hidden Single)
  35. Riga 7 / Colonna 3 → 3 (Hidden Single)
  36. Riga 2 / Colonna 3 → 2 (Hidden Single)
  37. Riga 4 / Colonna 2 → 2 (Hidden Single)
  38. Riga 7 / Colonna 6 → 4 (Hidden Single)
  39. Riga 9 / Colonna 3 → 4 (Hidden Single)
  40. Riga 8 / Colonna 4 → 1 (Hidden Single)
  41. Riga 1 / Colonna 2 → 5 (Hidden Single)
  42. Riga 7 / Colonna 2 → 6 (Naked Single)
  43. Riga 7 / Colonna 1 → 5 (Full House)
  44. Riga 7 / Colonna 8 → 9 (Full House)
  45. Riga 8 / Colonna 3 → 5 (Full House)
  46. Riga 4 / Colonna 1 → 6 (Full House)
  47. Riga 9 / Colonna 8 → 6 (Full House)
  48. Riga 4 / Colonna 3 → 6 (Naked Single)
  49. Riga 8 / Colonna 6 → 6 (Naked Single)
  50. Riga 9 / Colonna 5 → 8 (Naked Single)
  51. Riga 1 / Colonna 5 → 6 (Full House)
  52. Riga 1 / Colonna 6 → 8 (Full House)
  53. Riga 2 / Colonna 6 → 5 (Full House)
  54. Riga 9 / Colonna 4 → 9 (Full House)
  55. Riga 2 / Colonna 4 → 5 (Full House)
  56. Riga 5 / Colonna 6 → 9 (Full House)
  57. Riga 5 / Colonna 4 → 6 (Hidden Single)
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