Soluzione per Sudoku difficile #3337921546898

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

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 6 / Colonna 9 → 2 (Naked Single)
  2. Riga 6 / Colonna 8 → 3 (Naked Single)
  3. Riga 6 / Colonna 4 → 1 (Naked Single)
  4. Riga 6 / Colonna 7 → 9 (Naked Single)
  5. Riga 6 / Colonna 3 → 6 (Full House)
  6. Riga 5 / Colonna 6 → 6 (Hidden Single)
  7. Riga 7 / Colonna 4 → 3 (Hidden Single)
  8. Riga 8 / Colonna 2 → 8 (Hidden Single)
  9. Riga 5 / Colonna 5 → 3 (Hidden Single)
  10. Riga 1 / Colonna 7 → 3 (Hidden Single)
  11. Riga 4 / Colonna 3 → 3 (Hidden Single)
  12. Riga 3 / Colonna 7 → 1 (Hidden Single)
  13. Riga 1 / Colonna 2 → 6 (Hidden Single)
  14. Riga 9 / Colonna 1 → 6 (Hidden Single)
  15. Riga 3 / Colonna 9 → 6 (Hidden Single)
  16. Riga 8 / Colonna 7 → 6 (Hidden Single)
  17. Locked Candidates Type 1 (Pointing): 8 in b2 => r1c8<>8
  18. Locked Candidates Type 1 (Pointing): 2 in b7 => r5c3<>2
  19. Locked Candidates Type 1 (Pointing): 5 in b9 => r9c23<>5
  20. Locked Candidates Type 2 (Claiming): 7 in r7 => r89c3,r9c2<>7
  21. 2-String Kite: 4 in r4c7,r9c4 (connected by r4c6,r5c4) => r9c7<>4
  22. Turbot Fish: 4 r5c4 =4= r9c4 -4- r9c8 =4= r8c9 => r5c9<>4
  23. XY-Wing: 4/7/5 in r18c9,r9c7 => r2c7<>5
  24. XY-Wing: 2/5/4 in r4c16,r7c1 => r7c6<>4
  25. Riga 7 / Colonna 6 → 9 (Naked Single)
  26. Riga 1 / Colonna 5 → 9 (Hidden Single)
  27. Riga 1 / Colonna 3 → 1 (Hidden Single)
  28. Riga 2 / Colonna 5 → 1 (Hidden Single)
  29. Riga 5 / Colonna 1 → 1 (Hidden Single)
  30. Riga 9 / Colonna 2 → 1 (Hidden Single)
  31. Riga 3 / Colonna 4 → 7 (Hidden Single)
  32. Riga 5 / Colonna 4 → 2 (Hidden Single)
  33. Riga 4 / Colonna 6 → 4 (Full House)
  34. Riga 1 / Colonna 4 → 8 (Naked Single)
  35. Riga 9 / Colonna 4 → 4 (Full House)
  36. Riga 4 / Colonna 1 → 2 (Hidden Single)
  37. Riga 9 / Colonna 3 → 9 (Hidden Single)
  38. Riga 5 / Colonna 2 → 9 (Hidden Single)
  39. Riga 9 / Colonna 6 → 8 (Hidden Single)
  40. Riga 8 / Colonna 9 → 4 (Hidden Single)
  41. Riga 1 / Colonna 9 → 5 (Naked Single)
  42. Riga 5 / Colonna 9 → 7 (Full House)
  43. Riga 8 / Colonna 3 → 2 (Naked Single)
  44. Riga 8 / Colonna 5 → 7 (Full House)
  45. Riga 9 / Colonna 5 → 2 (Full House)
  46. Riga 1 / Colonna 6 → 2 (Naked Single)
  47. Riga 1 / Colonna 8 → 4 (Full House)
  48. Riga 3 / Colonna 6 → 5 (Full House)
  49. Riga 3 / Colonna 8 → 2 (Full House)
  50. Riga 4 / Colonna 7 → 5 (Naked Single)
  51. Riga 4 / Colonna 2 → 7 (Full House)
  52. Riga 5 / Colonna 3 → 5 (Full House)
  53. Riga 7 / Colonna 2 → 5 (Full House)
  54. Riga 5 / Colonna 8 → 8 (Naked Single)
  55. Riga 5 / Colonna 7 → 4 (Full House)
  56. Riga 9 / Colonna 7 → 7 (Naked Single)
  57. Riga 2 / Colonna 7 → 8 (Full House)
  58. Riga 2 / Colonna 8 → 7 (Full House)
  59. Riga 9 / Colonna 8 → 5 (Full House)
  60. Riga 2 / Colonna 3 → 4 (Naked Single)
  61. Riga 2 / Colonna 1 → 5 (Full House)
  62. Riga 7 / Colonna 1 → 4 (Full House)
  63. Riga 7 / Colonna 3 → 7 (Full House)
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