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

Questo puzzle di sudoku ha 65 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Pair, Naked Single, Skyscraper, AIC, Discontinuous Nice Loop, Full House.

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

Passaggi della soluzione:

  1. Riga 5 / Colonna 5 → 6 (Hidden Single)
  2. Riga 8 / Colonna 6 → 7 (Hidden Single)
  3. Riga 5 / Colonna 6 → 1 (Hidden Single)
  4. Riga 1 / Colonna 6 → 5 (Hidden Single)
  5. Riga 5 / Colonna 9 → 4 (Hidden Single)
  6. Riga 6 / Colonna 6 → 4 (Hidden Single)
  7. Locked Candidates Type 1 (Pointing): 2 in b4 => r5c7<>2
  8. Locked Candidates Type 2 (Claiming): 9 in r5 => r46c2<>9
  9. Naked Pair: 1,3 in r8c49 => r8c18<>1, r8c128<>3
  10. Riga 8 / Colonna 1 → 6 (Naked Single)
  11. Riga 3 / Colonna 1 → 3 (Naked Single)
  12. Skyscraper: 1 in r3c5,r8c4 (connected by r38c9) => r2c4,r79c5<>1
  13. AIC: 6 6- r3c7 =6= r3c2 =4= r8c2 =5= r8c8 -5- r4c8 =5= r4c7 =2= r9c7 =6= r9c8 -6 => r12c8,r9c7<>6
  14. Riga 9 / Colonna 8 → 6 (Hidden Single)
  15. Discontinuous Nice Loop: 3/8 r1c5 =4= r1c3 -4- r7c3 =4= r7c8 =1= r2c8 -1- r2c5 =1= r3c5 =4= r1c5 => r1c5<>3, r1c5<>8
  16. Riga 1 / Colonna 5 → 4 (Naked Single)
  17. Naked Pair: 1,8 in r3c59 => r3c7<>8
  18. Riga 3 / Colonna 7 → 6 (Naked Single)
  19. Riga 1 / Colonna 4 → 6 (Hidden Single)
  20. Riga 2 / Colonna 2 → 6 (Hidden Single)
  21. Riga 3 / Colonna 5 → 8 (Hidden Single)
  22. Riga 3 / Colonna 9 → 1 (Naked Single)
  23. Riga 8 / Colonna 9 → 3 (Naked Single)
  24. Riga 8 / Colonna 4 → 1 (Naked Single)
  25. Riga 2 / Colonna 5 → 1 (Hidden Single)
  26. Riga 7 / Colonna 8 → 1 (Hidden Single)
  27. Riga 9 / Colonna 1 → 1 (Hidden Single)
  28. Riga 7 / Colonna 3 → 4 (Hidden Single)
  29. Riga 3 / Colonna 3 → 5 (Naked Single)
  30. Riga 3 / Colonna 2 → 4 (Full House)
  31. Riga 8 / Colonna 2 → 5 (Naked Single)
  32. Riga 8 / Colonna 8 → 4 (Full House)
  33. Riga 4 / Colonna 8 → 5 (Hidden Single)
  34. Riga 4 / Colonna 4 → 9 (Hidden Single)
  35. Riga 6 / Colonna 5 → 3 (Naked Single)
  36. Riga 7 / Colonna 4 → 3 (Naked Single)
  37. Riga 4 / Colonna 6 → 2 (Naked Single)
  38. Riga 2 / Colonna 6 → 3 (Full House)
  39. Riga 2 / Colonna 4 → 2 (Full House)
  40. Riga 6 / Colonna 4 → 8 (Full House)
  41. Riga 4 / Colonna 7 → 3 (Naked Single)
  42. Riga 4 / Colonna 2 → 8 (Full House)
  43. Riga 6 / Colonna 2 → 7 (Naked Single)
  44. Riga 5 / Colonna 7 → 7 (Naked Single)
  45. Riga 6 / Colonna 8 → 9 (Naked Single)
  46. Riga 6 / Colonna 9 → 2 (Full House)
  47. Riga 1 / Colonna 7 → 8 (Naked Single)
  48. Riga 2 / Colonna 8 → 7 (Naked Single)
  49. Riga 1 / Colonna 8 → 3 (Full House)
  50. Riga 1 / Colonna 9 → 9 (Full House)
  51. Riga 2 / Colonna 3 → 9 (Full House)
  52. Riga 9 / Colonna 9 → 7 (Naked Single)
  53. Riga 7 / Colonna 9 → 8 (Full House)
  54. Riga 7 / Colonna 7 → 5 (Naked Single)
  55. Riga 9 / Colonna 7 → 2 (Full House)
  56. Riga 9 / Colonna 3 → 3 (Naked Single)
  57. Riga 7 / Colonna 5 → 9 (Naked Single)
  58. Riga 7 / Colonna 1 → 7 (Full House)
  59. Riga 9 / Colonna 2 → 9 (Full House)
  60. Riga 9 / Colonna 5 → 5 (Full House)
  61. Riga 5 / Colonna 2 → 3 (Full House)
  62. Riga 5 / Colonna 3 → 2 (Naked Single)
  63. Riga 1 / Colonna 3 → 7 (Full House)
  64. Riga 1 / Colonna 1 → 2 (Full House)
  65. Riga 5 / Colonna 1 → 9 (Full House)
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