Soluzione per Sudoku difficile #1442816579398

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

Questo puzzle di sudoku ha 62 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), undefined, Turbot Fish.

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

Passaggi della soluzione:

  1. Riga 9 / Colonna 6 → 1 (Naked Single)
  2. Riga 8 / Colonna 6 → 4 (Naked Single)
  3. Riga 4 / Colonna 6 → 6 (Naked Single)
  4. Riga 7 / Colonna 6 → 8 (Naked Single)
  5. Riga 3 / Colonna 6 → 9 (Full House)
  6. Riga 6 / Colonna 5 → 9 (Hidden Single)
  7. Riga 2 / Colonna 8 → 3 (Hidden Single)
  8. Riga 4 / Colonna 7 → 4 (Hidden Single)
  9. Riga 5 / Colonna 5 → 4 (Hidden Single)
  10. Riga 3 / Colonna 4 → 4 (Hidden Single)
  11. Riga 7 / Colonna 1 → 4 (Hidden Single)
  12. Riga 7 / Colonna 3 → 6 (Hidden Single)
  13. Riga 1 / Colonna 9 → 9 (Hidden Single)
  14. Riga 2 / Colonna 1 → 9 (Hidden Single)
  15. Riga 9 / Colonna 3 → 9 (Hidden Single)
  16. Riga 7 / Colonna 8 → 9 (Hidden Single)
  17. Locked Candidates Type 1 (Pointing): 1 in b3 => r3c5<>1
  18. Locked Candidates Type 1 (Pointing): 3 in b4 => r8c1<>3
  19. Locked Candidates Type 1 (Pointing): 5 in b9 => r23c9<>5
  20. Locked Candidates Type 2 (Claiming): 2 in c7 => r23c9,r3c8<>2
  21. 2-String Kite: 7 in r4c9,r7c4 (connected by r4c5,r6c4) => r7c9<>7
  22. Turbot Fish: 7 r4c5 =7= r4c9 -7- r8c9 =7= r9c8 => r9c5<>7
  23. XY-Wing: 1/5/7 in r1c47,r6c4 => r6c7<>7
  24. Riga 6 / Colonna 7 → 8 (Naked Single)
  25. Riga 5 / Colonna 1 → 8 (Hidden Single)
  26. Riga 5 / Colonna 2 → 6 (Hidden Single)
  27. Riga 3 / Colonna 1 → 6 (Hidden Single)
  28. Riga 1 / Colonna 5 → 6 (Hidden Single)
  29. Riga 4 / Colonna 3 → 2 (Hidden Single)
  30. Riga 2 / Colonna 9 → 6 (Hidden Single)
  31. Riga 1 / Colonna 4 → 1 (Hidden Single)
  32. Riga 6 / Colonna 4 → 7 (Naked Single)
  33. Riga 4 / Colonna 5 → 1 (Full House)
  34. Riga 4 / Colonna 1 → 3 (Naked Single)
  35. Riga 4 / Colonna 9 → 7 (Full House)
  36. Riga 2 / Colonna 5 → 8 (Hidden Single)
  37. Riga 3 / Colonna 9 → 8 (Hidden Single)
  38. Riga 6 / Colonna 9 → 3 (Hidden Single)
  39. Riga 9 / Colonna 8 → 7 (Hidden Single)
  40. Riga 3 / Colonna 8 → 1 (Naked Single)
  41. Riga 5 / Colonna 8 → 2 (Full House)
  42. Riga 5 / Colonna 9 → 1 (Full House)
  43. Riga 9 / Colonna 1 → 5 (Naked Single)
  44. Riga 9 / Colonna 5 → 2 (Full House)
  45. Riga 6 / Colonna 1 → 1 (Naked Single)
  46. Riga 6 / Colonna 3 → 5 (Full House)
  47. Riga 8 / Colonna 3 → 1 (Full House)
  48. Riga 8 / Colonna 1 → 7 (Full House)
  49. Riga 3 / Colonna 5 → 5 (Naked Single)
  50. Riga 2 / Colonna 4 → 2 (Full House)
  51. Riga 7 / Colonna 4 → 5 (Full House)
  52. Riga 2 / Colonna 7 → 5 (Full House)
  53. Riga 3 / Colonna 2 → 7 (Naked Single)
  54. Riga 1 / Colonna 2 → 5 (Full House)
  55. Riga 1 / Colonna 7 → 7 (Full House)
  56. Riga 3 / Colonna 7 → 2 (Full House)
  57. Riga 8 / Colonna 5 → 3 (Naked Single)
  58. Riga 7 / Colonna 5 → 7 (Full House)
  59. Riga 7 / Colonna 9 → 2 (Naked Single)
  60. Riga 7 / Colonna 2 → 3 (Full House)
  61. Riga 8 / Colonna 2 → 2 (Full House)
  62. Riga 8 / Colonna 9 → 5 (Full House)
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