Soluzione per Sudoku difficile #4495247836198

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

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 4 → 4 (Naked Single)
  2. Riga 2 / Colonna 4 → 9 (Naked Single)
  3. Riga 3 / Colonna 4 → 2 (Naked Single)
  4. Riga 6 / Colonna 4 → 7 (Naked Single)
  5. Riga 7 / Colonna 4 → 6 (Full House)
  6. Riga 4 / Colonna 5 → 6 (Hidden Single)
  7. Riga 5 / Colonna 5 → 9 (Hidden Single)
  8. Riga 6 / Colonna 3 → 9 (Hidden Single)
  9. Riga 8 / Colonna 2 → 1 (Hidden Single)
  10. Riga 3 / Colonna 9 → 9 (Hidden Single)
  11. Riga 7 / Colonna 6 → 9 (Hidden Single)
  12. Riga 3 / Colonna 7 → 7 (Hidden Single)
  13. Riga 8 / Colonna 9 → 6 (Hidden Single)
  14. Riga 9 / Colonna 1 → 6 (Hidden Single)
  15. Riga 1 / Colonna 7 → 6 (Hidden Single)
  16. Riga 3 / Colonna 2 → 6 (Hidden Single)
  17. Locked Candidates Type 1 (Pointing): 8 in b1 => r78c1<>8
  18. Locked Candidates Type 1 (Pointing): 1 in b6 => r2c9<>1
  19. Locked Candidates Type 1 (Pointing): 4 in b7 => r7c5<>4
  20. Locked Candidates Type 2 (Claiming): 5 in c3 => r7c12,r8c1<>5
  21. 2-String Kite: 3 in r3c6,r6c1 (connected by r4c6,r6c5) => r3c1<>3
  22. Turbot Fish: 3 r1c2 =3= r2c1 -3- r6c1 =3= r6c5 => r1c5<>3
  23. XY-Wing: 3/5/8 in r1c29,r3c1 => r3c8<>8
  24. XY-Wing: 4/8/3 in r49c6,r9c3 => r4c3<>3
  25. Riga 4 / Colonna 3 → 2 (Naked Single)
  26. Riga 5 / Colonna 9 → 2 (Hidden Single)
  27. Riga 5 / Colonna 8 → 7 (Hidden Single)
  28. Riga 7 / Colonna 9 → 7 (Hidden Single)
  29. Riga 9 / Colonna 5 → 7 (Hidden Single)
  30. Riga 6 / Colonna 7 → 5 (Hidden Single)
  31. Riga 8 / Colonna 1 → 7 (Hidden Single)
  32. Riga 9 / Colonna 6 → 4 (Hidden Single)
  33. Riga 4 / Colonna 6 → 3 (Naked Single)
  34. Riga 6 / Colonna 5 → 4 (Full House)
  35. Riga 6 / Colonna 9 → 1 (Naked Single)
  36. Riga 6 / Colonna 1 → 3 (Full House)
  37. Riga 8 / Colonna 5 → 2 (Hidden Single)
  38. Riga 7 / Colonna 1 → 2 (Hidden Single)
  39. Riga 4 / Colonna 1 → 1 (Hidden Single)
  40. Riga 1 / Colonna 2 → 3 (Hidden Single)
  41. Riga 1 / Colonna 9 → 8 (Naked Single)
  42. Riga 1 / Colonna 5 → 5 (Full House)
  43. Riga 7 / Colonna 2 → 4 (Naked Single)
  44. Riga 5 / Colonna 2 → 5 (Full House)
  45. Riga 5 / Colonna 1 → 4 (Full House)
  46. Riga 2 / Colonna 7 → 4 (Naked Single)
  47. Riga 4 / Colonna 7 → 8 (Full House)
  48. Riga 4 / Colonna 9 → 4 (Full House)
  49. Riga 2 / Colonna 9 → 3 (Full House)
  50. Riga 3 / Colonna 6 → 8 (Naked Single)
  51. Riga 8 / Colonna 6 → 5 (Full House)
  52. Riga 7 / Colonna 5 → 8 (Full House)
  53. Riga 8 / Colonna 3 → 8 (Full House)
  54. Riga 2 / Colonna 5 → 1 (Naked Single)
  55. Riga 3 / Colonna 5 → 3 (Full House)
  56. Riga 3 / Colonna 1 → 5 (Naked Single)
  57. Riga 2 / Colonna 1 → 8 (Full House)
  58. Riga 2 / Colonna 8 → 5 (Full House)
  59. Riga 3 / Colonna 8 → 1 (Full House)
  60. Riga 7 / Colonna 8 → 3 (Naked Single)
  61. Riga 7 / Colonna 3 → 5 (Full House)
  62. Riga 9 / Colonna 3 → 3 (Full House)
  63. Riga 9 / Colonna 8 → 8 (Full House)
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