Soluzione per Sudoku diabolico #4432857164992

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

Questo puzzle di sudoku ha 71 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Pair, Naked Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Full House, Naked Pair.

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

Passaggi della soluzione:

  1. Riga 1 / Colonna 8 → 4 (Hidden Single)
  2. Riga 6 / Colonna 9 → 3 (Hidden Single)
  3. Riga 8 / Colonna 6 → 4 (Hidden Single)
  4. Riga 5 / Colonna 3 → 3 (Hidden Single)
  5. Riga 4 / Colonna 9 → 2 (Hidden Single)
  6. Locked Pair: 7,9 in r4c23 => r4c148,r6c13<>7, r4c178,r6c13<>9
  7. Riga 4 / Colonna 1 → 4 (Naked Single)
  8. Riga 6 / Colonna 4 → 4 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 6 in b1 => r3c46<>6
  10. Locked Candidates Type 1 (Pointing): 2 in b4 => r6c56<>2
  11. Locked Candidates Type 1 (Pointing): 5 in b5 => r6c78<>5
  12. Locked Candidates Type 1 (Pointing): 7 in b6 => r89c8<>7
  13. Locked Candidates Type 1 (Pointing): 3 in b8 => r123c6<>3
  14. Locked Candidates Type 2 (Claiming): 2 in c2 => r1c13,r3c13<>2
  15. Locked Candidates Type 2 (Claiming): 5 in c9 => r89c8,r9c7<>5
  16. Locked Pair: 1,8 in r9c78 => r7c7,r9c13<>1, r7c7,r8c8,r9c36<>8
  17. Riga 8 / Colonna 3 → 8 (Hidden Single)
  18. Riga 8 / Colonna 9 → 5 (Hidden Single)
  19. Riga 9 / Colonna 9 → 7 (Full House)
  20. Riga 9 / Colonna 6 → 3 (Naked Single)
  21. Riga 9 / Colonna 1 → 2 (Naked Single)
  22. Riga 6 / Colonna 1 → 1 (Naked Single)
  23. Riga 9 / Colonna 3 → 5 (Naked Single)
  24. Riga 6 / Colonna 3 → 2 (Naked Single)
  25. Locked Candidates Type 1 (Pointing): 7 in b8 => r7c123<>7
  26. Naked Pair: 7,9 in r48c2 => r2c2<>7, r27c2<>9
  27. Locked Candidates Type 1 (Pointing): 7 in b1 => r1c456<>7
  28. Locked Candidates Type 1 (Pointing): 9 in b1 => r1c56<>9
  29. Locked Pair: 2,5 in r1c56 => r1c7,r2c56,r3c6<>2, r1c7,r3c6<>5
  30. Riga 1 / Colonna 7 → 1 (Naked Single)
  31. Riga 3 / Colonna 6 → 8 (Naked Single)
  32. Riga 1 / Colonna 4 → 3 (Naked Single)
  33. Riga 2 / Colonna 7 → 2 (Naked Single)
  34. Riga 2 / Colonna 8 → 3 (Naked Single)
  35. Riga 3 / Colonna 8 → 5 (Full House)
  36. Riga 9 / Colonna 7 → 8 (Naked Single)
  37. Riga 9 / Colonna 8 → 1 (Full House)
  38. Riga 7 / Colonna 6 → 7 (Naked Single)
  39. Riga 7 / Colonna 5 → 8 (Full House)
  40. Riga 3 / Colonna 4 → 1 (Naked Single)
  41. Riga 2 / Colonna 2 → 1 (Naked Single)
  42. Riga 6 / Colonna 7 → 9 (Naked Single)
  43. Riga 3 / Colonna 3 → 6 (Naked Single)
  44. Riga 7 / Colonna 2 → 3 (Naked Single)
  45. Riga 6 / Colonna 6 → 5 (Naked Single)
  46. Riga 7 / Colonna 7 → 6 (Naked Single)
  47. Riga 4 / Colonna 7 → 5 (Full House)
  48. Riga 8 / Colonna 8 → 9 (Full House)
  49. Riga 3 / Colonna 1 → 3 (Naked Single)
  50. Riga 3 / Colonna 2 → 2 (Full House)
  51. Riga 1 / Colonna 6 → 2 (Naked Single)
  52. Riga 6 / Colonna 5 → 7 (Naked Single)
  53. Riga 6 / Colonna 8 → 8 (Full House)
  54. Riga 7 / Colonna 1 → 9 (Naked Single)
  55. Riga 7 / Colonna 3 → 1 (Full House)
  56. Riga 8 / Colonna 2 → 7 (Naked Single)
  57. Riga 4 / Colonna 2 → 9 (Full House)
  58. Riga 8 / Colonna 1 → 6 (Full House)
  59. Riga 1 / Colonna 1 → 7 (Full House)
  60. Riga 4 / Colonna 3 → 7 (Full House)
  61. Riga 1 / Colonna 3 → 9 (Full House)
  62. Riga 1 / Colonna 5 → 5 (Full House)
  63. Riga 2 / Colonna 5 → 9 (Naked Single)
  64. Riga 5 / Colonna 5 → 2 (Full House)
  65. Riga 5 / Colonna 4 → 6 (Naked Single)
  66. Riga 4 / Colonna 8 → 6 (Naked Single)
  67. Riga 4 / Colonna 4 → 8 (Full House)
  68. Riga 2 / Colonna 4 → 7 (Full House)
  69. Riga 2 / Colonna 6 → 6 (Full House)
  70. Riga 5 / Colonna 6 → 9 (Full House)
  71. Riga 5 / Colonna 8 → 7 (Full House)
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