Soluzione per Sudoku diabolico #4246319728592

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

Questo puzzle di sudoku ha 70 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 2 / Colonna 4 → 8 (Hidden Single)
  2. Riga 9 / Colonna 2 → 8 (Hidden Single)
  3. Riga 4 / Colonna 1 → 4 (Hidden Single)
  4. Riga 5 / Colonna 7 → 4 (Hidden Single)
  5. Riga 6 / Colonna 1 → 6 (Hidden Single)
  6. Locked Pair: 5,9 in r6c78 => r4c79,r6c239<>5, r4c79,r6c269<>9
  7. Riga 6 / Colonna 9 → 8 (Naked Single)
  8. Riga 4 / Colonna 6 → 8 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 4 in b2 => r789c4<>4
  10. Locked Candidates Type 1 (Pointing): 9 in b4 => r12c2<>9
  11. Locked Candidates Type 1 (Pointing): 1 in b5 => r4c23<>1
  12. Locked Candidates Type 1 (Pointing): 6 in b6 => r4c45<>6
  13. Locked Candidates Type 1 (Pointing): 2 in b9 => r7c46<>2
  14. Locked Candidates Type 2 (Claiming): 1 in c1 => r1c23,r2c2<>1
  15. Locked Pair: 3,7 in r1c23 => r1c47,r2c2,r3c3<>3, r1c79,r3c3<>7
  16. Riga 2 / Colonna 7 → 3 (Hidden Single)
  17. Riga 2 / Colonna 1 → 1 (Hidden Single)
  18. Riga 1 / Colonna 1 → 9 (Full House)
  19. Riga 1 / Colonna 4 → 4 (Naked Single)
  20. Riga 1 / Colonna 9 → 6 (Naked Single)
  21. Riga 1 / Colonna 7 → 1 (Naked Single)
  22. Riga 4 / Colonna 9 → 7 (Naked Single)
  23. Riga 4 / Colonna 7 → 6 (Naked Single)
  24. Locked Candidates Type 1 (Pointing): 9 in b2 => r3c789<>9
  25. Naked Pair: 5,9 in r26c8 => r38c8<>5, r8c8<>9
  26. Locked Candidates Type 1 (Pointing): 5 in b9 => r9c45<>5
  27. Locked Candidates Type 1 (Pointing): 9 in b9 => r9c456<>9
  28. Locked Pair: 1,6 in r9c45 => r7c4,r9c3<>1, r78c4,r8c5,r9c3<>6
  29. Riga 9 / Colonna 3 → 7 (Naked Single)
  30. Riga 7 / Colonna 4 → 3 (Naked Single)
  31. Riga 1 / Colonna 3 → 3 (Naked Single)
  32. Riga 1 / Colonna 2 → 7 (Full House)
  33. Riga 8 / Colonna 2 → 4 (Naked Single)
  34. Riga 8 / Colonna 3 → 6 (Naked Single)
  35. Riga 7 / Colonna 2 → 1 (Full House)
  36. Riga 9 / Colonna 6 → 4 (Naked Single)
  37. Riga 3 / Colonna 4 → 9 (Naked Single)
  38. Riga 3 / Colonna 5 → 3 (Full House)
  39. Riga 4 / Colonna 3 → 5 (Naked Single)
  40. Riga 8 / Colonna 8 → 7 (Naked Single)
  41. Riga 7 / Colonna 6 → 7 (Naked Single)
  42. Riga 3 / Colonna 3 → 2 (Naked Single)
  43. Riga 2 / Colonna 2 → 5 (Full House)
  44. Riga 6 / Colonna 3 → 1 (Full House)
  45. Riga 4 / Colonna 4 → 1 (Naked Single)
  46. Riga 3 / Colonna 8 → 4 (Naked Single)
  47. Riga 7 / Colonna 7 → 2 (Naked Single)
  48. Riga 2 / Colonna 8 → 9 (Naked Single)
  49. Riga 2 / Colonna 9 → 2 (Full House)
  50. Riga 4 / Colonna 5 → 9 (Naked Single)
  51. Riga 4 / Colonna 2 → 3 (Full House)
  52. Riga 9 / Colonna 4 → 6 (Naked Single)
  53. Riga 3 / Colonna 9 → 5 (Naked Single)
  54. Riga 3 / Colonna 7 → 7 (Full House)
  55. Riga 7 / Colonna 8 → 6 (Naked Single)
  56. Riga 7 / Colonna 9 → 4 (Full House)
  57. Riga 6 / Colonna 8 → 5 (Full House)
  58. Riga 9 / Colonna 9 → 9 (Full House)
  59. Riga 6 / Colonna 7 → 9 (Full House)
  60. Riga 9 / Colonna 7 → 5 (Full House)
  61. Riga 9 / Colonna 5 → 1 (Full House)
  62. Riga 5 / Colonna 6 → 2 (Naked Single)
  63. Riga 8 / Colonna 5 → 5 (Naked Single)
  64. Riga 5 / Colonna 5 → 6 (Full House)
  65. Riga 6 / Colonna 2 → 2 (Naked Single)
  66. Riga 5 / Colonna 2 → 9 (Full House)
  67. Riga 5 / Colonna 4 → 5 (Full House)
  68. Riga 6 / Colonna 6 → 3 (Full House)
  69. Riga 8 / Colonna 6 → 9 (Full House)
  70. Riga 8 / Colonna 4 → 2 (Full House)
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