Soluzione per Sudoku diabolico #3151679438242

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

Questo puzzle di sudoku ha 60 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, undefined, Swordfish, Naked Single, Empty Rectangle, Full House.

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

Passaggi della soluzione:

  1. Riga 3 / Colonna 3 → 7 (Hidden Single)
  2. Riga 4 / Colonna 1 → 7 (Hidden Single)
  3. Riga 3 / Colonna 7 → 8 (Hidden Single)
  4. Riga 8 / Colonna 5 → 7 (Hidden Single)
  5. Riga 2 / Colonna 2 → 1 (Hidden Single)
  6. Riga 6 / Colonna 9 → 6 (Hidden Single)
  7. Riga 4 / Colonna 6 → 6 (Hidden Single)
  8. Riga 3 / Colonna 5 → 9 (Hidden Single)
  9. Riga 7 / Colonna 8 → 9 (Hidden Single)
  10. Riga 6 / Colonna 4 → 9 (Hidden Single)
  11. Riga 5 / Colonna 1 → 8 (Hidden Single)
  12. Riga 6 / Colonna 7 → 2 (Hidden Single)
  13. Riga 4 / Colonna 5 → 8 (Hidden Single)
  14. Riga 7 / Colonna 1 → 6 (Hidden Single)
  15. Riga 8 / Colonna 8 → 6 (Hidden Single)
  16. Riga 6 / Colonna 3 → 1 (Hidden Single)
  17. Riga 1 / Colonna 2 → 6 (Hidden Single)
  18. Locked Candidates Type 1 (Pointing): 4 in b2 => r2c8<>4
  19. Locked Candidates Type 1 (Pointing): 1 in b5 => r5c9<>1
  20. Locked Candidates Type 1 (Pointing): 3 in b8 => r2c4<>3
  21. Naked Pair: 2,5 in r7c35 => r7c4<>5
  22. X-Wing: 2 r38 c69 => r12c6,r9c9<>2
  23. Swordfish: 4 c378 r149 => r49c9,r9c2<>4
  24. Riga 9 / Colonna 9 → 3 (Naked Single)
  25. Riga 7 / Colonna 7 → 1 (Naked Single)
  26. Riga 7 / Colonna 4 → 3 (Naked Single)
  27. Riga 4 / Colonna 9 → 1 (Hidden Single)
  28. Naked Pair: 5,8 in r9c24 => r9c3<>5
  29. Empty Rectangle: 5 in b4 (r7c35) => r6c5<>5
  30. Riga 6 / Colonna 5 → 4 (Naked Single)
  31. Riga 2 / Colonna 4 → 4 (Hidden Single)
  32. Riga 5 / Colonna 9 → 4 (Hidden Single)
  33. Riga 4 / Colonna 7 → 3 (Naked Single)
  34. Riga 1 / Colonna 7 → 4 (Full House)
  35. Riga 4 / Colonna 8 → 5 (Full House)
  36. Riga 4 / Colonna 3 → 4 (Full House)
  37. Riga 8 / Colonna 9 → 2 (Naked Single)
  38. Riga 3 / Colonna 9 → 5 (Full House)
  39. Riga 9 / Colonna 8 → 4 (Full House)
  40. Riga 9 / Colonna 3 → 2 (Naked Single)
  41. Riga 7 / Colonna 3 → 5 (Full House)
  42. Riga 7 / Colonna 5 → 2 (Full House)
  43. Riga 2 / Colonna 5 → 5 (Full House)
  44. Riga 3 / Colonna 2 → 3 (Naked Single)
  45. Riga 3 / Colonna 6 → 2 (Full House)
  46. Riga 9 / Colonna 2 → 8 (Naked Single)
  47. Riga 8 / Colonna 2 → 4 (Full House)
  48. Riga 6 / Colonna 2 → 5 (Full House)
  49. Riga 9 / Colonna 4 → 5 (Full House)
  50. Riga 6 / Colonna 1 → 3 (Full House)
  51. Riga 1 / Colonna 6 → 3 (Naked Single)
  52. Riga 2 / Colonna 6 → 8 (Full House)
  53. Riga 2 / Colonna 1 → 2 (Naked Single)
  54. Riga 1 / Colonna 1 → 5 (Full House)
  55. Riga 1 / Colonna 8 → 2 (Full House)
  56. Riga 2 / Colonna 8 → 3 (Full House)
  57. Riga 5 / Colonna 4 → 1 (Naked Single)
  58. Riga 5 / Colonna 6 → 5 (Full House)
  59. Riga 8 / Colonna 6 → 1 (Full House)
  60. Riga 8 / Colonna 4 → 8 (Full House)
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