Soluzione per Sudoku difficile #3436458921798

4
8
1
7
3
8
4
5
3
2
1
6
7
9
4
8
1
9
7
5
3
6
4
2
7
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 1 / Colonna 6 → 5 (Naked Single)
  2. Riga 2 / Colonna 6 → 3 (Naked Single)
  3. Riga 3 / Colonna 6 → 4 (Naked Single)
  4. Riga 6 / Colonna 6 → 8 (Naked Single)
  5. Riga 7 / Colonna 6 → 1 (Full House)
  6. Riga 4 / Colonna 5 → 1 (Hidden Single)
  7. Riga 8 / Colonna 8 → 7 (Hidden Single)
  8. Riga 5 / Colonna 5 → 3 (Hidden Single)
  9. Riga 6 / Colonna 7 → 3 (Hidden Single)
  10. Riga 3 / Colonna 1 → 3 (Hidden Single)
  11. Riga 7 / Colonna 4 → 3 (Hidden Single)
  12. Riga 3 / Colonna 3 → 8 (Hidden Single)
  13. Riga 8 / Colonna 1 → 1 (Hidden Single)
  14. Riga 9 / Colonna 9 → 1 (Hidden Single)
  15. Riga 1 / Colonna 3 → 1 (Hidden Single)
  16. Riga 3 / Colonna 8 → 1 (Hidden Single)
  17. Locked Candidates Type 1 (Pointing): 9 in b3 => r78c9<>9
  18. Locked Candidates Type 1 (Pointing): 7 in b4 => r2c1<>7
  19. Locked Candidates Type 1 (Pointing): 5 in b9 => r7c5<>5
  20. Locked Candidates Type 2 (Claiming): 6 in c7 => r7c89,r8c9<>6
  21. 2-String Kite: 2 in r3c4,r6c9 (connected by r4c4,r6c5) => r3c9<>2
  22. Turbot Fish: 2 r1c8 =2= r2c9 -2- r6c9 =2= r6c5 => r1c5<>2
  23. XY-Wing: 2/6/9 in r1c18,r3c9 => r3c2<>9
  24. XY-Wing: 5/9/2 in r49c4,r9c7 => r4c7<>2
  25. Riga 4 / Colonna 7 → 4 (Naked Single)
  26. Riga 5 / Colonna 1 → 4 (Hidden Single)
  27. Riga 5 / Colonna 2 → 8 (Hidden Single)
  28. Riga 7 / Colonna 1 → 8 (Hidden Single)
  29. Riga 9 / Colonna 5 → 8 (Hidden Single)
  30. Riga 6 / Colonna 3 → 6 (Hidden Single)
  31. Riga 8 / Colonna 9 → 8 (Hidden Single)
  32. Riga 9 / Colonna 4 → 5 (Hidden Single)
  33. Riga 4 / Colonna 4 → 2 (Naked Single)
  34. Riga 6 / Colonna 5 → 5 (Full House)
  35. Riga 6 / Colonna 1 → 7 (Naked Single)
  36. Riga 6 / Colonna 9 → 2 (Full House)
  37. Riga 8 / Colonna 5 → 4 (Hidden Single)
  38. Riga 7 / Colonna 9 → 4 (Hidden Single)
  39. Riga 4 / Colonna 9 → 7 (Hidden Single)
  40. Riga 1 / Colonna 8 → 2 (Hidden Single)
  41. Riga 1 / Colonna 1 → 9 (Naked Single)
  42. Riga 1 / Colonna 5 → 6 (Full House)
  43. Riga 7 / Colonna 8 → 5 (Naked Single)
  44. Riga 5 / Colonna 8 → 6 (Full House)
  45. Riga 5 / Colonna 9 → 5 (Full House)
  46. Riga 2 / Colonna 3 → 5 (Naked Single)
  47. Riga 4 / Colonna 3 → 9 (Full House)
  48. Riga 4 / Colonna 1 → 5 (Full House)
  49. Riga 2 / Colonna 1 → 2 (Full House)
  50. Riga 3 / Colonna 4 → 9 (Naked Single)
  51. Riga 8 / Colonna 4 → 6 (Full House)
  52. Riga 7 / Colonna 5 → 9 (Full House)
  53. Riga 8 / Colonna 7 → 9 (Full House)
  54. Riga 2 / Colonna 5 → 7 (Naked Single)
  55. Riga 3 / Colonna 5 → 2 (Full House)
  56. Riga 3 / Colonna 9 → 6 (Naked Single)
  57. Riga 2 / Colonna 9 → 9 (Full House)
  58. Riga 2 / Colonna 2 → 6 (Full House)
  59. Riga 3 / Colonna 2 → 7 (Full House)
  60. Riga 7 / Colonna 2 → 2 (Naked Single)
  61. Riga 7 / Colonna 7 → 6 (Full House)
  62. Riga 9 / Colonna 7 → 2 (Full House)
  63. Riga 9 / Colonna 2 → 9 (Full House)
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