Soluzione per Sudoku diabolico #2153487219643

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

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 7 / Colonna 4 → 1 (Naked Single)
  2. Riga 8 / Colonna 4 → 7 (Naked Single)
  3. Riga 2 / Colonna 2 → 7 (Hidden Single)
  4. Riga 5 / Colonna 6 → 6 (Hidden Single)
  5. Riga 3 / Colonna 6 → 5 (Hidden Single)
  6. Riga 4 / Colonna 6 → 3 (Naked Single)
  7. Riga 4 / Colonna 5 → 7 (Naked Single)
  8. Riga 8 / Colonna 6 → 2 (Naked Single)
  9. Riga 2 / Colonna 6 → 4 (Full House)
  10. Riga 4 / Colonna 7 → 5 (Naked Single)
  11. Riga 4 / Colonna 1 → 8 (Full House)
  12. Riga 5 / Colonna 2 → 1 (Hidden Single)
  13. Riga 6 / Colonna 9 → 8 (Hidden Single)
  14. Riga 2 / Colonna 4 → 8 (Hidden Single)
  15. Riga 5 / Colonna 7 → 7 (Hidden Single)
  16. Riga 9 / Colonna 3 → 7 (Hidden Single)
  17. Riga 6 / Colonna 5 → 4 (Hidden Single)
  18. Riga 3 / Colonna 3 → 8 (Hidden Single)
  19. Riga 1 / Colonna 8 → 8 (Hidden Single)
  20. Riga 7 / Colonna 3 → 2 (Hidden Single)
  21. Riga 1 / Colonna 7 → 1 (Hidden Single)
  22. Riga 9 / Colonna 8 → 1 (Hidden Single)
  23. Riga 8 / Colonna 8 → 5 (Hidden Single)
  24. Locked Candidates Type 1 (Pointing): 4 in b1 => r1c9<>4
  25. X-Wing: 3 r27 c17 => r159c1,r9c7<>3
  26. Riga 5 / Colonna 3 → 3 (Hidden Single)
  27. X-Wing: 6 r27 c18 => r9c1<>6
  28. Naked Pair: 5,9 in r59c1 => r1c1<>5, r12c1<>9
  29. Riga 1 / Colonna 1 → 4 (Naked Single)
  30. Riga 8 / Colonna 3 → 4 (Hidden Single)
  31. Empty Rectangle: 9 in b1 (r8c29) => r1c9<>9
  32. XY-Wing: 2/6/3 in r1c9,r2c18 => r1c2,r2c7<>3
  33. Riga 1 / Colonna 9 → 3 (Hidden Single)
  34. Riga 2 / Colonna 1 → 3 (Hidden Single)
  35. Riga 7 / Colonna 1 → 6 (Naked Single)
  36. Riga 7 / Colonna 8 → 4 (Naked Single)
  37. Riga 7 / Colonna 7 → 3 (Full House)
  38. Riga 5 / Colonna 8 → 2 (Naked Single)
  39. Riga 2 / Colonna 8 → 6 (Full House)
  40. Riga 5 / Colonna 9 → 4 (Full House)
  41. Riga 3 / Colonna 9 → 9 (Naked Single)
  42. Riga 2 / Colonna 7 → 2 (Naked Single)
  43. Riga 3 / Colonna 7 → 4 (Full House)
  44. Riga 3 / Colonna 2 → 6 (Full House)
  45. Riga 2 / Colonna 5 → 9 (Full House)
  46. Riga 9 / Colonna 7 → 9 (Full House)
  47. Riga 1 / Colonna 5 → 2 (Full House)
  48. Riga 8 / Colonna 9 → 6 (Naked Single)
  49. Riga 9 / Colonna 9 → 2 (Full House)
  50. Riga 9 / Colonna 1 → 5 (Naked Single)
  51. Riga 5 / Colonna 1 → 9 (Full House)
  52. Riga 5 / Colonna 4 → 5 (Full House)
  53. Riga 6 / Colonna 3 → 5 (Full House)
  54. Riga 6 / Colonna 4 → 9 (Full House)
  55. Riga 1 / Colonna 3 → 9 (Full House)
  56. Riga 1 / Colonna 2 → 5 (Full House)
  57. Riga 8 / Colonna 5 → 3 (Naked Single)
  58. Riga 8 / Colonna 2 → 9 (Full House)
  59. Riga 9 / Colonna 2 → 3 (Full House)
  60. Riga 9 / Colonna 5 → 6 (Full House)
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