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

Questo puzzle di sudoku ha 68 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, undefined, Skyscraper, Continuous Nice Loop, Discontinuous Nice Loop, Naked Single, 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 4 / Colonna 6 → 9 (Hidden Single)
  2. Riga 1 / Colonna 1 → 4 (Hidden Single)
  3. Riga 7 / Colonna 4 → 5 (Hidden Single)
  4. Riga 5 / Colonna 2 → 9 (Hidden Single)
  5. Riga 9 / Colonna 3 → 5 (Hidden Single)
  6. Riga 7 / Colonna 5 → 7 (Hidden Single)
  7. Riga 5 / Colonna 5 → 4 (Hidden Single)
  8. Riga 8 / Colonna 4 → 4 (Hidden Single)
  9. Riga 6 / Colonna 5 → 8 (Hidden Single)
  10. Locked Candidates Type 1 (Pointing): 7 in b2 => r2c7<>7
  11. Locked Candidates Type 1 (Pointing): 1 in b5 => r2c4<>1
  12. Locked Candidates Type 2 (Claiming): 3 in c4 => r6c6<>3
  13. Naked Triple: 1,5,6 in r4c23,r6c2 => r5c13,r6c1<>1, r5c13,r6c1<>6
  14. X-Wing: 8 c28 r28 => r8c1<>8
  15. Skyscraper: 3 in r1c6,r3c2 (connected by r8c26) => r1c3,r3c5<>3
  16. Continuous Nice Loop: 2/6/7 9= r9c1 =8= r5c1 =7= r6c1 -7- r6c6 -6- r8c6 -3- r9c5 =3= r9c7 =9= r9c1 =8 => r5c1<>2, r2c6,r9c17<>6, r6c47<>7
  17. Discontinuous Nice Loop: 2 r1c7 -2- r8c7 =2= r8c8 =8= r9c9 =6= r9c5 =3= r1c5 =5= r1c7 => r1c7<>2
  18. Discontinuous Nice Loop: 2 r1c9 -2- r1c6 -3- r1c5 =3= r9c5 =6= r9c9 =8= r1c9 => r1c9<>2
  19. Skyscraper: 2 in r5c9,r6c1 (connected by r3c19) => r5c3,r6c78<>2
  20. Riga 5 / Colonna 3 → 8 (Naked Single)
  21. Riga 5 / Colonna 1 → 7 (Naked Single)
  22. Riga 6 / Colonna 1 → 2 (Naked Single)
  23. Riga 1 / Colonna 9 → 8 (Hidden Single)
  24. Riga 9 / Colonna 9 → 6 (Naked Single)
  25. Riga 9 / Colonna 5 → 3 (Naked Single)
  26. Riga 8 / Colonna 6 → 6 (Full House)
  27. Riga 9 / Colonna 7 → 9 (Naked Single)
  28. Riga 9 / Colonna 1 → 8 (Full House)
  29. Riga 6 / Colonna 6 → 7 (Naked Single)
  30. Riga 8 / Colonna 1 → 1 (Naked Single)
  31. Riga 2 / Colonna 6 → 2 (Naked Single)
  32. Riga 1 / Colonna 6 → 3 (Full House)
  33. Riga 3 / Colonna 1 → 6 (Naked Single)
  34. Riga 7 / Colonna 1 → 9 (Full House)
  35. Riga 8 / Colonna 2 → 3 (Naked Single)
  36. Riga 7 / Colonna 3 → 6 (Full House)
  37. Riga 3 / Colonna 2 → 1 (Naked Single)
  38. Riga 8 / Colonna 7 → 2 (Naked Single)
  39. Riga 8 / Colonna 8 → 8 (Full House)
  40. Riga 4 / Colonna 3 → 1 (Naked Single)
  41. Riga 1 / Colonna 3 → 2 (Naked Single)
  42. Riga 3 / Colonna 3 → 3 (Full House)
  43. Riga 2 / Colonna 2 → 8 (Full House)
  44. Riga 3 / Colonna 5 → 5 (Naked Single)
  45. Riga 4 / Colonna 4 → 6 (Naked Single)
  46. Riga 1 / Colonna 5 → 1 (Naked Single)
  47. Riga 1 / Colonna 7 → 5 (Full House)
  48. Riga 2 / Colonna 5 → 6 (Full House)
  49. Riga 2 / Colonna 4 → 7 (Full House)
  50. Riga 3 / Colonna 7 → 7 (Naked Single)
  51. Riga 4 / Colonna 2 → 5 (Naked Single)
  52. Riga 6 / Colonna 2 → 6 (Full House)
  53. Riga 3 / Colonna 9 → 2 (Naked Single)
  54. Riga 3 / Colonna 8 → 9 (Full House)
  55. Riga 4 / Colonna 8 → 4 (Naked Single)
  56. Riga 4 / Colonna 9 → 7 (Full House)
  57. Riga 5 / Colonna 9 → 1 (Naked Single)
  58. Riga 7 / Colonna 9 → 4 (Full House)
  59. Riga 2 / Colonna 8 → 1 (Naked Single)
  60. Riga 2 / Colonna 7 → 4 (Full House)
  61. Riga 5 / Colonna 4 → 3 (Naked Single)
  62. Riga 6 / Colonna 4 → 1 (Full House)
  63. Riga 6 / Colonna 7 → 3 (Naked Single)
  64. Riga 6 / Colonna 8 → 5 (Full House)
  65. Riga 7 / Colonna 8 → 3 (Naked Single)
  66. Riga 5 / Colonna 8 → 2 (Full House)
  67. Riga 5 / Colonna 7 → 6 (Full House)
  68. Riga 7 / Colonna 7 → 1 (Full House)
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