Soluzione per Sudoku diabolico #4137469182542

9
6
4
7
7
6
4
2
9
1
6
9
2
5
8
6
9
4
5
2
3
6
1
9
4
6
8
9
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 → 2 (Hidden Single)
  2. Riga 3 / Colonna 7 → 6 (Hidden Single)
  3. Riga 4 / Colonna 9 → 6 (Hidden Single)
  4. Riga 8 / Colonna 5 → 6 (Hidden Single)
  5. Riga 3 / Colonna 5 → 9 (Hidden Single)
  6. Riga 7 / Colonna 2 → 9 (Hidden Single)
  7. Riga 6 / Colonna 6 → 9 (Hidden Single)
  8. Riga 6 / Colonna 1 → 4 (Hidden Single)
  9. Riga 4 / Colonna 4 → 4 (Hidden Single)
  10. Riga 2 / Colonna 8 → 7 (Hidden Single)
  11. Riga 5 / Colonna 9 → 2 (Hidden Single)
  12. Riga 7 / Colonna 9 → 4 (Hidden Single)
  13. Riga 8 / Colonna 2 → 4 (Hidden Single)
  14. Riga 6 / Colonna 3 → 5 (Hidden Single)
  15. Riga 4 / Colonna 5 → 2 (Hidden Single)
  16. Riga 1 / Colonna 8 → 4 (Hidden Single)
  17. Riga 6 / Colonna 7 → 7 (Hidden Single)
  18. Locked Candidates Type 1 (Pointing): 1 in b2 => r2c2<>1
  19. Locked Candidates Type 1 (Pointing): 7 in b5 => r5c1<>7
  20. Locked Candidates Type 1 (Pointing): 8 in b8 => r2c6<>8
  21. Naked Pair: 3,5 in r7c57 => r7c6<>3
  22. X-Wing: 5 r38 c14 => r12c4,r9c1<>5
  23. Swordfish: 1 c237 r149 => r49c1,r9c8<>1
  24. Riga 9 / Colonna 1 → 8 (Naked Single)
  25. Riga 7 / Colonna 3 → 7 (Naked Single)
  26. Riga 7 / Colonna 6 → 8 (Naked Single)
  27. Riga 4 / Colonna 1 → 7 (Hidden Single)
  28. Naked Pair: 2,3 in r9c68 => r9c7<>3
  29. Empty Rectangle: 3 in b6 (r7c57) => r6c5<>3
  30. Riga 6 / Colonna 5 → 1 (Naked Single)
  31. Riga 2 / Colonna 6 → 1 (Hidden Single)
  32. Riga 5 / Colonna 1 → 1 (Hidden Single)
  33. Riga 4 / Colonna 3 → 8 (Naked Single)
  34. Riga 1 / Colonna 3 → 1 (Full House)
  35. Riga 4 / Colonna 2 → 3 (Full House)
  36. Riga 4 / Colonna 7 → 1 (Full House)
  37. Riga 8 / Colonna 1 → 5 (Naked Single)
  38. Riga 3 / Colonna 1 → 3 (Full House)
  39. Riga 9 / Colonna 2 → 1 (Full House)
  40. Riga 9 / Colonna 7 → 5 (Naked Single)
  41. Riga 7 / Colonna 7 → 3 (Full House)
  42. Riga 7 / Colonna 5 → 5 (Full House)
  43. Riga 2 / Colonna 5 → 3 (Full House)
  44. Riga 3 / Colonna 8 → 8 (Naked Single)
  45. Riga 3 / Colonna 4 → 5 (Full House)
  46. Riga 9 / Colonna 8 → 2 (Naked Single)
  47. Riga 8 / Colonna 8 → 1 (Full House)
  48. Riga 6 / Colonna 8 → 3 (Full House)
  49. Riga 9 / Colonna 6 → 3 (Full House)
  50. Riga 6 / Colonna 9 → 8 (Full House)
  51. Riga 1 / Colonna 4 → 8 (Naked Single)
  52. Riga 2 / Colonna 4 → 2 (Full House)
  53. Riga 2 / Colonna 9 → 5 (Naked Single)
  54. Riga 1 / Colonna 9 → 3 (Full House)
  55. Riga 1 / Colonna 2 → 5 (Full House)
  56. Riga 2 / Colonna 2 → 8 (Full House)
  57. Riga 5 / Colonna 6 → 7 (Naked Single)
  58. Riga 5 / Colonna 4 → 3 (Full House)
  59. Riga 8 / Colonna 4 → 7 (Full House)
  60. Riga 8 / Colonna 6 → 2 (Full House)
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