Soluzione per Sudoku diabolico #3438945617292

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

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 1 / Colonna 2 → 7 (Hidden Single)
  2. Riga 6 / Colonna 1 → 3 (Hidden Single)
  3. Riga 8 / Colonna 4 → 7 (Hidden Single)
  4. Riga 5 / Colonna 7 → 3 (Hidden Single)
  5. Riga 4 / Colonna 1 → 8 (Hidden Single)
  6. Locked Pair: 2,5 in r4c78 => r4c239,r6c79<>2, r4c269,r6c79<>5
  7. Riga 4 / Colonna 9 → 7 (Naked Single)
  8. Riga 6 / Colonna 6 → 7 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 1 in b3 => r3c46<>1
  10. Locked Candidates Type 1 (Pointing): 5 in b4 => r89c2<>5
  11. Locked Candidates Type 1 (Pointing): 4 in b5 => r6c23<>4
  12. Locked Candidates Type 1 (Pointing): 8 in b6 => r6c45<>8
  13. Locked Candidates Type 1 (Pointing): 3 in b8 => r123c4<>3
  14. Locked Candidates Type 2 (Claiming): 4 in c1 => r89c2,r9c3<>4
  15. Locked Pair: 6,9 in r9c23 => r7c3,r8c2,r9c47<>9, r7c3,r9c79<>6
  16. Riga 8 / Colonna 7 → 9 (Hidden Single)
  17. Riga 8 / Colonna 1 → 4 (Hidden Single)
  18. Riga 9 / Colonna 1 → 5 (Full House)
  19. Riga 9 / Colonna 4 → 3 (Naked Single)
  20. Riga 9 / Colonna 9 → 8 (Naked Single)
  21. Riga 6 / Colonna 9 → 6 (Naked Single)
  22. Riga 9 / Colonna 7 → 4 (Naked Single)
  23. Riga 6 / Colonna 7 → 8 (Naked Single)
  24. Locked Candidates Type 1 (Pointing): 5 in b8 => r7c789<>5
  25. Naked Pair: 2,5 in r48c8 => r27c8<>2, r2c8<>5
  26. Locked Candidates Type 1 (Pointing): 2 in b3 => r1c45<>2
  27. Locked Candidates Type 1 (Pointing): 5 in b3 => r1c456<>5
  28. Locked Pair: 4,8 in r1c45 => r1c3,r3c4<>4, r1c3,r2c45,r3c4<>8
  29. Riga 1 / Colonna 3 → 6 (Naked Single)
  30. Riga 3 / Colonna 4 → 9 (Naked Single)
  31. Riga 1 / Colonna 6 → 3 (Naked Single)
  32. Riga 2 / Colonna 2 → 3 (Naked Single)
  33. Riga 2 / Colonna 3 → 8 (Naked Single)
  34. Riga 3 / Colonna 2 → 4 (Full House)
  35. Riga 9 / Colonna 3 → 9 (Naked Single)
  36. Riga 9 / Colonna 2 → 6 (Full House)
  37. Riga 7 / Colonna 4 → 5 (Naked Single)
  38. Riga 7 / Colonna 5 → 9 (Full House)
  39. Riga 3 / Colonna 6 → 6 (Naked Single)
  40. Riga 2 / Colonna 8 → 6 (Naked Single)
  41. Riga 6 / Colonna 3 → 2 (Naked Single)
  42. Riga 3 / Colonna 7 → 1 (Naked Single)
  43. Riga 7 / Colonna 8 → 3 (Naked Single)
  44. Riga 6 / Colonna 4 → 4 (Naked Single)
  45. Riga 7 / Colonna 3 → 1 (Naked Single)
  46. Riga 4 / Colonna 3 → 4 (Full House)
  47. Riga 8 / Colonna 2 → 2 (Full House)
  48. Riga 3 / Colonna 9 → 3 (Naked Single)
  49. Riga 3 / Colonna 8 → 8 (Full House)
  50. Riga 1 / Colonna 4 → 8 (Naked Single)
  51. Riga 6 / Colonna 5 → 5 (Naked Single)
  52. Riga 6 / Colonna 2 → 9 (Full House)
  53. Riga 7 / Colonna 9 → 2 (Naked Single)
  54. Riga 7 / Colonna 7 → 6 (Full House)
  55. Riga 8 / Colonna 8 → 5 (Naked Single)
  56. Riga 4 / Colonna 8 → 2 (Full House)
  57. Riga 8 / Colonna 9 → 1 (Full House)
  58. Riga 1 / Colonna 9 → 5 (Full House)
  59. Riga 4 / Colonna 7 → 5 (Full House)
  60. Riga 1 / Colonna 7 → 2 (Full House)
  61. Riga 1 / Colonna 5 → 4 (Full House)
  62. Riga 2 / Colonna 5 → 2 (Naked Single)
  63. Riga 5 / Colonna 5 → 8 (Full House)
  64. Riga 5 / Colonna 6 → 1 (Naked Single)
  65. Riga 4 / Colonna 2 → 1 (Naked Single)
  66. Riga 4 / Colonna 6 → 9 (Full House)
  67. Riga 2 / Colonna 6 → 5 (Full House)
  68. Riga 2 / Colonna 4 → 1 (Full House)
  69. Riga 5 / Colonna 2 → 5 (Full House)
  70. Riga 5 / Colonna 4 → 2 (Full House)
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