Soluzione per Sudoku diabolico #2491643728543

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

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 4 / Colonna 2 → 3 (Naked Single)
  2. Riga 4 / Colonna 3 → 2 (Naked Single)
  3. Riga 2 / Colonna 5 → 2 (Hidden Single)
  4. Riga 4 / Colonna 8 → 4 (Hidden Single)
  5. Riga 6 / Colonna 5 → 5 (Hidden Single)
  6. Riga 2 / Colonna 8 → 3 (Hidden Single)
  7. Riga 1 / Colonna 6 → 4 (Hidden Single)
  8. Riga 9 / Colonna 4 → 4 (Hidden Single)
  9. Riga 6 / Colonna 7 → 9 (Hidden Single)
  10. Riga 6 / Colonna 6 → 1 (Naked Single)
  11. Riga 5 / Colonna 6 → 3 (Naked Single)
  12. Riga 7 / Colonna 6 → 9 (Full House)
  13. Riga 6 / Colonna 2 → 7 (Naked Single)
  14. Riga 6 / Colonna 8 → 6 (Full House)
  15. Riga 3 / Colonna 1 → 3 (Hidden Single)
  16. Riga 7 / Colonna 5 → 3 (Hidden Single)
  17. Riga 8 / Colonna 9 → 4 (Hidden Single)
  18. Riga 5 / Colonna 4 → 6 (Hidden Single)
  19. Riga 3 / Colonna 7 → 4 (Hidden Single)
  20. Riga 3 / Colonna 3 → 7 (Hidden Single)
  21. Riga 8 / Colonna 1 → 2 (Hidden Single)
  22. Riga 7 / Colonna 9 → 2 (Hidden Single)
  23. Riga 8 / Colonna 2 → 9 (Hidden Single)
  24. Locked Candidates Type 1 (Pointing): 6 in b3 => r9c9<>6
  25. X-Wing: 1 c38 r17 => r1c159,r7c1<>1
  26. Riga 3 / Colonna 5 → 1 (Hidden Single)
  27. X-Wing: 5 c38 r18 => r1c1<>5
  28. Naked Pair: 8,9 in r1c15 => r1c89<>8, r1c9<>9
  29. Riga 1 / Colonna 9 → 6 (Naked Single)
  30. Riga 3 / Colonna 2 → 6 (Hidden Single)
  31. Empty Rectangle: 8 in b3 (r29c2) => r9c9<>8
  32. XY-Wing: 5/7/1 in r18c8,r9c9 => r2c9,r7c8<>1
  33. Riga 9 / Colonna 9 → 1 (Hidden Single)
  34. Riga 1 / Colonna 8 → 1 (Hidden Single)
  35. Riga 1 / Colonna 3 → 5 (Naked Single)
  36. Riga 8 / Colonna 3 → 6 (Naked Single)
  37. Riga 7 / Colonna 3 → 1 (Full House)
  38. Riga 8 / Colonna 5 → 7 (Naked Single)
  39. Riga 8 / Colonna 8 → 5 (Full House)
  40. Riga 9 / Colonna 5 → 6 (Full House)
  41. Riga 9 / Colonna 7 → 8 (Naked Single)
  42. Riga 2 / Colonna 7 → 5 (Naked Single)
  43. Riga 7 / Colonna 7 → 6 (Full House)
  44. Riga 7 / Colonna 8 → 7 (Full House)
  45. Riga 5 / Colonna 8 → 8 (Full House)
  46. Riga 7 / Colonna 1 → 8 (Full House)
  47. Riga 5 / Colonna 9 → 7 (Full House)
  48. Riga 9 / Colonna 2 → 5 (Naked Single)
  49. Riga 9 / Colonna 1 → 7 (Full House)
  50. Riga 1 / Colonna 1 → 9 (Naked Single)
  51. Riga 1 / Colonna 5 → 8 (Full House)
  52. Riga 3 / Colonna 4 → 9 (Full House)
  53. Riga 4 / Colonna 5 → 9 (Full House)
  54. Riga 3 / Colonna 9 → 8 (Full House)
  55. Riga 4 / Colonna 4 → 8 (Full House)
  56. Riga 2 / Colonna 9 → 9 (Full House)
  57. Riga 5 / Colonna 2 → 1 (Naked Single)
  58. Riga 2 / Colonna 2 → 8 (Full House)
  59. Riga 2 / Colonna 1 → 1 (Full House)
  60. Riga 5 / Colonna 1 → 5 (Full House)
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