Soluzione per Sudoku diabolico #1274713524895

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

Questo puzzle di sudoku ha 68 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Locked Pair, Full House, Naked Single, Locked Candidates Type 2 (Claiming).

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

Passaggi della soluzione:

  1. Riga 2 / Colonna 4 → 7 (Hidden Single)
  2. Riga 5 / Colonna 1 → 1 (Hidden Single)
  3. Riga 3 / Colonna 2 → 4 (Hidden Single)
  4. Riga 7 / Colonna 1 → 4 (Hidden Single)
  5. Riga 8 / Colonna 6 → 7 (Hidden Single)
  6. Riga 5 / Colonna 7 → 4 (Hidden Single)
  7. Riga 1 / Colonna 9 → 4 (Hidden Single)
  8. Locked Candidates Type 1 (Pointing): 1 in b2 => r3c9<>1
  9. Locked Candidates Type 1 (Pointing): 5 in b7 => r9c5<>5
  10. Locked Candidates Type 1 (Pointing): 8 in b8 => r9c79<>8
  11. Riga 3 / Colonna 9 → 8 (Hidden Single)
  12. Riga 1 / Colonna 5 → 8 (Hidden Single)
  13. Riga 9 / Colonna 4 → 8 (Hidden Single)
  14. Riga 1 / Colonna 8 → 2 (Hidden Single)
  15. Riga 7 / Colonna 4 → 2 (Hidden Single)
  16. Locked Candidates Type 1 (Pointing): 5 in b3 => r2c23<>5
  17. Locked Candidates Type 1 (Pointing): 6 in b3 => r2c23<>6
  18. Locked Pair: 3,9 in r2c23 => r1c13,r2c789,r3c13<>9
  19. Riga 1 / Colonna 6 → 9 (Hidden Single)
  20. Locked Candidates Type 1 (Pointing): 5 in b2 => r3c13<>5
  21. Locked Pair: 2,6 in r3c13 => r1c13,r3c456<>6
  22. Riga 1 / Colonna 1 → 5 (Full House)
  23. Riga 1 / Colonna 3 → 5 (Full House)
  24. Riga 3 / Colonna 4 → 1 (Naked Single)
  25. Riga 3 / Colonna 5 → 5 (Full House)
  26. Riga 3 / Colonna 6 → 5 (Full House)
  27. Riga 9 / Colonna 2 → 5 (Hidden Single)
  28. Riga 6 / Colonna 6 → 1 (Hidden Single)
  29. Riga 4 / Colonna 8 → 5 (Hidden Single)
  30. Riga 2 / Colonna 7 → 5 (Hidden Single)
  31. Riga 4 / Colonna 2 → 8 (Hidden Single)
  32. Locked Candidates Type 1 (Pointing): 9 in b8 => r5c5<>9
  33. Locked Candidates Type 2 (Claiming): 3 in c1 => r8c23<>3
  34. Locked Candidates Type 2 (Claiming): 9 in c1 => r8c23<>9
  35. Locked Pair: 2,6 in r8c23 => r8c17,r9c1<>2, r8c178,r9c1<>6
  36. Riga 3 / Colonna 1 → 2 (Hidden Single)
  37. Riga 3 / Colonna 3 → 6 (Naked Single)
  38. Riga 8 / Colonna 3 → 2 (Naked Single)
  39. Riga 8 / Colonna 2 → 6 (Naked Single)
  40. Locked Pair: 3,9 in r45c3 => r2c3,r5c2<>3, r2c3,r56c2<>9
  41. Riga 2 / Colonna 3 → 9 (Naked Single)
  42. Riga 5 / Colonna 2 → 2 (Naked Single)
  43. Riga 6 / Colonna 2 → 2 (Naked Single)
  44. Riga 2 / Colonna 2 → 3 (Naked Single)
  45. Riga 4 / Colonna 3 → 3 (Naked Single)
  46. Riga 5 / Colonna 3 → 3 (Naked Single)
  47. Riga 4 / Colonna 6 → 6 (Naked Single)
  48. Riga 4 / Colonna 4 → 9 (Full House)
  49. Riga 6 / Colonna 4 → 9 (Full House)
  50. Riga 5 / Colonna 5 → 6 (Naked Single)
  51. Riga 7 / Colonna 6 → 3 (Naked Single)
  52. Riga 7 / Colonna 5 → 9 (Full House)
  53. Riga 9 / Colonna 5 → 9 (Full House)
  54. Riga 5 / Colonna 8 → 9 (Naked Single)
  55. Riga 5 / Colonna 9 → 9 (Naked Single)
  56. Riga 7 / Colonna 7 → 6 (Naked Single)
  57. Riga 7 / Colonna 8 → 1 (Full House)
  58. Riga 7 / Colonna 9 → 1 (Full House)
  59. Riga 2 / Colonna 8 → 6 (Full House)
  60. Riga 8 / Colonna 8 → 8 (Full House)
  61. Riga 2 / Colonna 9 → 6 (Full House)
  62. Riga 6 / Colonna 8 → 8 (Full House)
  63. Riga 9 / Colonna 1 → 3 (Naked Single)
  64. Riga 8 / Colonna 1 → 9 (Full House)
  65. Riga 8 / Colonna 7 → 3 (Full House)
  66. Riga 6 / Colonna 7 → 8 (Naked Single)
  67. Riga 9 / Colonna 9 → 2 (Naked Single)
  68. Riga 9 / Colonna 7 → 2 (Naked Single)
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