Soluzione per Sudoku difficile #1482951436718

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

Questo puzzle di sudoku ha 61 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Triple, Naked Single, Locked Candidates Type 1 (Pointing), Naked Pair, undefined, Skyscraper, Full House.

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

Passaggi della soluzione:

  1. Riga 2 / Colonna 2 → 2 (Hidden Single)
  2. Locked Triple: 2,5,9 in r7c456 => r7c37,r8c46,r9c5<>9, r7c7,r9c5<>5, r8c46<>2
  3. Riga 9 / Colonna 5 → 3 (Naked Single)
  4. Riga 3 / Colonna 5 → 2 (Naked Single)
  5. Locked Candidates Type 1 (Pointing): 4 in b2 => r3c3<>4
  6. Locked Candidates Type 1 (Pointing): 4 in b8 => r8c78<>4
  7. Locked Candidates Type 1 (Pointing): 6 in b8 => r8c2<>6
  8. Naked Pair: 5,9 in r17c5 => r46c5<>5, r6c5<>9
  9. X-Wing: 1 r37 c37 => r2c37,r458c7,r568c3<>1
  10. Skyscraper: 1 in r2c1,r5c2 (connected by r25c8) => r46c1<>1
  11. Riga 2 / Colonna 1 → 1 (Hidden Single)
  12. Riga 3 / Colonna 7 → 1 (Hidden Single)
  13. Riga 7 / Colonna 7 → 7 (Naked Single)
  14. Riga 7 / Colonna 3 → 1 (Naked Single)
  15. Riga 2 / Colonna 3 → 8 (Hidden Single)
  16. Riga 8 / Colonna 3 → 9 (Naked Single)
  17. Riga 8 / Colonna 2 → 8 (Naked Single)
  18. Riga 8 / Colonna 7 → 3 (Naked Single)
  19. Riga 9 / Colonna 2 → 6 (Naked Single)
  20. Riga 9 / Colonna 1 → 7 (Full House)
  21. Riga 1 / Colonna 2 → 3 (Naked Single)
  22. Riga 3 / Colonna 3 → 7 (Naked Single)
  23. Riga 4 / Colonna 2 → 1 (Naked Single)
  24. Riga 5 / Colonna 2 → 9 (Full House)
  25. Riga 1 / Colonna 3 → 4 (Naked Single)
  26. Riga 1 / Colonna 1 → 6 (Full House)
  27. Riga 3 / Colonna 6 → 4 (Naked Single)
  28. Riga 3 / Colonna 4 → 3 (Full House)
  29. Riga 4 / Colonna 5 → 8 (Naked Single)
  30. Riga 6 / Colonna 3 → 5 (Naked Single)
  31. Riga 5 / Colonna 3 → 3 (Full House)
  32. Riga 8 / Colonna 6 → 6 (Naked Single)
  33. Riga 4 / Colonna 1 → 4 (Naked Single)
  34. Riga 6 / Colonna 1 → 8 (Full House)
  35. Riga 6 / Colonna 5 → 1 (Naked Single)
  36. Riga 5 / Colonna 6 → 5 (Naked Single)
  37. Riga 8 / Colonna 4 → 4 (Naked Single)
  38. Riga 4 / Colonna 7 → 5 (Naked Single)
  39. Riga 6 / Colonna 9 → 2 (Naked Single)
  40. Riga 4 / Colonna 6 → 2 (Naked Single)
  41. Riga 4 / Colonna 9 → 3 (Full House)
  42. Riga 5 / Colonna 4 → 6 (Naked Single)
  43. Riga 6 / Colonna 4 → 9 (Full House)
  44. Riga 6 / Colonna 8 → 4 (Full House)
  45. Riga 5 / Colonna 7 → 8 (Naked Single)
  46. Riga 5 / Colonna 8 → 1 (Full House)
  47. Riga 2 / Colonna 7 → 9 (Naked Single)
  48. Riga 9 / Colonna 7 → 4 (Full House)
  49. Riga 8 / Colonna 9 → 1 (Naked Single)
  50. Riga 8 / Colonna 8 → 2 (Full House)
  51. Riga 7 / Colonna 6 → 9 (Naked Single)
  52. Riga 2 / Colonna 6 → 7 (Full House)
  53. Riga 2 / Colonna 4 → 5 (Naked Single)
  54. Riga 1 / Colonna 5 → 9 (Full House)
  55. Riga 7 / Colonna 5 → 5 (Full House)
  56. Riga 2 / Colonna 8 → 3 (Full House)
  57. Riga 7 / Colonna 4 → 2 (Full House)
  58. Riga 9 / Colonna 8 → 5 (Naked Single)
  59. Riga 1 / Colonna 8 → 7 (Full House)
  60. Riga 1 / Colonna 9 → 5 (Full House)
  61. Riga 9 / Colonna 9 → 9 (Full House)
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