Soluzione per Sudoku diabolico #1281964572343

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

Questo puzzle di sudoku ha 60 passaggi e viene risolto utilizzando tecniche di Naked Single, Hidden Single, Full House, Locked Candidates Type 1 (Pointing), undefined, Naked Pair, Empty Rectangle.

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

Passaggi della soluzione:

  1. Riga 6 / Colonna 3 → 7 (Naked Single)
  2. Riga 6 / Colonna 2 → 4 (Naked Single)
  3. Riga 1 / Colonna 4 → 6 (Hidden Single)
  4. Riga 6 / Colonna 8 → 6 (Hidden Single)
  5. Riga 4 / Colonna 7 → 8 (Hidden Single)
  6. Riga 4 / Colonna 6 → 1 (Naked Single)
  7. Riga 5 / Colonna 6 → 4 (Naked Single)
  8. Riga 3 / Colonna 6 → 8 (Naked Single)
  9. Riga 9 / Colonna 6 → 6 (Full House)
  10. Riga 4 / Colonna 5 → 3 (Hidden Single)
  11. Riga 4 / Colonna 2 → 5 (Naked Single)
  12. Riga 4 / Colonna 8 → 9 (Full House)
  13. Riga 8 / Colonna 5 → 7 (Hidden Single)
  14. Riga 8 / Colonna 8 → 4 (Hidden Single)
  15. Riga 3 / Colonna 5 → 4 (Hidden Single)
  16. Riga 7 / Colonna 1 → 4 (Hidden Single)
  17. Riga 7 / Colonna 7 → 6 (Hidden Single)
  18. Riga 5 / Colonna 4 → 9 (Hidden Single)
  19. Riga 2 / Colonna 9 → 6 (Hidden Single)
  20. Riga 7 / Colonna 3 → 5 (Hidden Single)
  21. Riga 2 / Colonna 1 → 7 (Hidden Single)
  22. Riga 3 / Colonna 9 → 7 (Hidden Single)
  23. Riga 2 / Colonna 2 → 8 (Hidden Single)
  24. Locked Candidates Type 1 (Pointing): 9 in b9 => r1c9<>9
  25. X-Wing: 1 c38 r39 => r39c1,r9c59<>1
  26. Riga 7 / Colonna 5 → 1 (Hidden Single)
  27. X-Wing: 3 c38 r29 => r9c1<>3
  28. Naked Pair: 2,8 in r9c15 => r9c89<>2, r9c9<>8
  29. Riga 9 / Colonna 9 → 9 (Naked Single)
  30. Riga 7 / Colonna 2 → 9 (Hidden Single)
  31. Empty Rectangle: 2 in b9 (r18c2) => r1c9<>2
  32. XY-Wing: 3/5/1 in r1c9,r29c8 => r3c8,r8c9<>1
  33. Riga 3 / Colonna 3 → 1 (Hidden Single)
  34. Riga 9 / Colonna 3 → 3 (Naked Single)
  35. Riga 2 / Colonna 3 → 9 (Full House)
  36. Riga 9 / Colonna 8 → 1 (Naked Single)
  37. Riga 2 / Colonna 5 → 5 (Naked Single)
  38. Riga 1 / Colonna 5 → 9 (Full House)
  39. Riga 2 / Colonna 8 → 3 (Full House)
  40. Riga 1 / Colonna 7 → 2 (Naked Single)
  41. Riga 1 / Colonna 2 → 3 (Naked Single)
  42. Riga 3 / Colonna 7 → 9 (Naked Single)
  43. Riga 8 / Colonna 7 → 3 (Full House)
  44. Riga 3 / Colonna 8 → 5 (Naked Single)
  45. Riga 1 / Colonna 9 → 1 (Full House)
  46. Riga 1 / Colonna 1 → 5 (Full House)
  47. Riga 3 / Colonna 1 → 2 (Full House)
  48. Riga 5 / Colonna 8 → 2 (Full House)
  49. Riga 5 / Colonna 9 → 5 (Full House)
  50. Riga 5 / Colonna 2 → 1 (Naked Single)
  51. Riga 5 / Colonna 1 → 3 (Full House)
  52. Riga 8 / Colonna 2 → 2 (Full House)
  53. Riga 9 / Colonna 1 → 8 (Naked Single)
  54. Riga 8 / Colonna 1 → 1 (Full House)
  55. Riga 8 / Colonna 9 → 8 (Full House)
  56. Riga 9 / Colonna 5 → 2 (Full House)
  57. Riga 7 / Colonna 9 → 2 (Full House)
  58. Riga 6 / Colonna 5 → 8 (Full House)
  59. Riga 7 / Colonna 4 → 8 (Full House)
  60. Riga 6 / Colonna 4 → 2 (Full House)
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