Soluzione per Sudoku difficile #3146752398198

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

Questo puzzle di sudoku ha 63 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 4 / Colonna 1 → 5 (Naked Single)
  2. Riga 4 / Colonna 2 → 4 (Naked Single)
  3. Riga 4 / Colonna 3 → 7 (Naked Single)
  4. Riga 4 / Colonna 6 → 2 (Naked Single)
  5. Riga 4 / Colonna 7 → 8 (Full House)
  6. Riga 2 / Colonna 8 → 1 (Hidden Single)
  7. Riga 3 / Colonna 6 → 4 (Hidden Single)
  8. Riga 5 / Colonna 5 → 4 (Hidden Single)
  9. Riga 5 / Colonna 4 → 8 (Hidden Single)
  10. Riga 6 / Colonna 7 → 4 (Hidden Single)
  11. Riga 9 / Colonna 3 → 4 (Hidden Single)
  12. Riga 7 / Colonna 3 → 2 (Hidden Single)
  13. Riga 1 / Colonna 9 → 8 (Hidden Single)
  14. Riga 9 / Colonna 8 → 8 (Hidden Single)
  15. Riga 7 / Colonna 1 → 8 (Hidden Single)
  16. Riga 2 / Colonna 3 → 8 (Hidden Single)
  17. Locked Candidates Type 1 (Pointing): 3 in b1 => r1c78<>3
  18. Locked Candidates Type 1 (Pointing): 5 in b3 => r5c7<>5
  19. Locked Candidates Type 1 (Pointing): 1 in b8 => r9c2<>1
  20. Locked Candidates Type 2 (Claiming): 6 in r3 => r1c78,r2c7<>6
  21. 2-String Kite: 9 in r1c6,r6c3 (connected by r5c6,r6c4) => r1c3<>9
  22. Turbot Fish: 9 r2c1 =9= r1c2 -9- r1c6 =9= r5c6 => r5c1<>9
  23. XY-Wing: 6/9/3 in r1c3,r29c1 => r8c3<>3
  24. XY-Wing: 3/5/9 in r36c9,r6c4 => r3c4<>9
  25. Riga 3 / Colonna 4 → 7 (Naked Single)
  26. Riga 9 / Colonna 5 → 7 (Hidden Single)
  27. Riga 9 / Colonna 7 → 2 (Hidden Single)
  28. Riga 8 / Colonna 5 → 2 (Hidden Single)
  29. Riga 1 / Colonna 8 → 2 (Hidden Single)
  30. Riga 5 / Colonna 9 → 2 (Hidden Single)
  31. Riga 7 / Colonna 6 → 6 (Hidden Single)
  32. Riga 1 / Colonna 7 → 7 (Hidden Single)
  33. Riga 5 / Colonna 8 → 7 (Hidden Single)
  34. Riga 5 / Colonna 6 → 5 (Hidden Single)
  35. Riga 6 / Colonna 4 → 9 (Full House)
  36. Riga 9 / Colonna 6 → 1 (Naked Single)
  37. Riga 1 / Colonna 6 → 9 (Full House)
  38. Riga 6 / Colonna 9 → 5 (Hidden Single)
  39. Riga 2 / Colonna 7 → 5 (Hidden Single)
  40. Riga 2 / Colonna 5 → 6 (Naked Single)
  41. Riga 1 / Colonna 5 → 5 (Full House)
  42. Riga 2 / Colonna 1 → 9 (Full House)
  43. Riga 1 / Colonna 4 → 1 (Full House)
  44. Riga 9 / Colonna 1 → 3 (Naked Single)
  45. Riga 5 / Colonna 1 → 6 (Full House)
  46. Riga 7 / Colonna 2 → 5 (Naked Single)
  47. Riga 7 / Colonna 4 → 3 (Full House)
  48. Riga 9 / Colonna 4 → 5 (Full House)
  49. Riga 9 / Colonna 2 → 9 (Full House)
  50. Riga 5 / Colonna 7 → 3 (Naked Single)
  51. Riga 6 / Colonna 8 → 6 (Full House)
  52. Riga 6 / Colonna 3 → 3 (Full House)
  53. Riga 3 / Colonna 8 → 3 (Full House)
  54. Riga 5 / Colonna 2 → 1 (Naked Single)
  55. Riga 5 / Colonna 3 → 9 (Full House)
  56. Riga 8 / Colonna 7 → 9 (Naked Single)
  57. Riga 3 / Colonna 7 → 6 (Full House)
  58. Riga 3 / Colonna 9 → 9 (Full House)
  59. Riga 8 / Colonna 9 → 3 (Full House)
  60. Riga 1 / Colonna 3 → 6 (Naked Single)
  61. Riga 1 / Colonna 2 → 3 (Full House)
  62. Riga 8 / Colonna 2 → 6 (Full House)
  63. Riga 8 / Colonna 3 → 1 (Full House)
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