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

Questo puzzle di sudoku ha 67 passaggi e viene risolto utilizzando tecniche di Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Hidden Rectangle, AIC, Discontinuous Nice Loop, Skyscraper, Naked Pair.

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

Passaggi della soluzione:

  1. Riga 1 / Colonna 5 → 3 (Hidden Single)
  2. Riga 5 / Colonna 3 → 8 (Hidden Single)
  3. Riga 8 / Colonna 2 → 3 (Hidden Single)
  4. Riga 6 / Colonna 2 → 6 (Naked Single)
  5. Riga 4 / Colonna 2 → 4 (Naked Single)
  6. Riga 5 / Colonna 1 → 7 (Naked Single)
  7. Riga 6 / Colonna 1 → 3 (Full House)
  8. Riga 8 / Colonna 6 → 4 (Hidden Single)
  9. Riga 4 / Colonna 7 → 3 (Hidden Single)
  10. Riga 2 / Colonna 8 → 6 (Hidden Single)
  11. Riga 7 / Colonna 9 → 3 (Hidden Single)
  12. Riga 5 / Colonna 7 → 6 (Hidden Single)
  13. Riga 7 / Colonna 8 → 1 (Hidden Single)
  14. Riga 3 / Colonna 7 → 1 (Hidden Single)
  15. Riga 9 / Colonna 5 → 1 (Hidden Single)
  16. Riga 5 / Colonna 8 → 4 (Hidden Single)
  17. Riga 9 / Colonna 9 → 4 (Hidden Single)
  18. Riga 9 / Colonna 1 → 6 (Naked Single)
  19. Riga 2 / Colonna 4 → 1 (Hidden Single)
  20. Riga 5 / Colonna 6 → 1 (Hidden Single)
  21. Riga 1 / Colonna 3 → 6 (Hidden Single)
  22. Locked Candidates Type 1 (Pointing): 9 in b3 => r56c9<>9
  23. Riga 5 / Colonna 9 → 2 (Naked Single)
  24. Riga 5 / Colonna 5 → 9 (Full House)
  25. Riga 1 / Colonna 7 → 2 (Hidden Single)
  26. Locked Candidates Type 1 (Pointing): 2 in b7 => r7c45<>2
  27. Hidden Rectangle: 6/7 in r4c45,r7c45 => r4c4<>7
  28. AIC: 4 4- r1c1 =4= r1c4 =7= r2c6 =2= r2c2 =9= r3c3 =4= r7c3 -4 => r3c3,r7c1<>4
  29. Riga 7 / Colonna 3 → 4 (Hidden Single)
  30. Discontinuous Nice Loop: 5/7/8 r6c8 =9= r6c7 -9- r9c7 -7- r9c3 =7= r8c3 =5= r8c8 =9= r6c8 => r6c8<>5, r6c8<>7, r6c8<>8
  31. Riga 6 / Colonna 8 → 9 (Naked Single)
  32. Skyscraper: 8 in r1c8,r3c5 (connected by r4c58) => r1c4,r3c9<>8
  33. Naked Pair: 5,9 in r3c39 => r3c1<>5
  34. Skyscraper: 5 in r3c9,r8c8 (connected by r38c3) => r1c8<>5
  35. Locked Candidates Type 1 (Pointing): 5 in b3 => r6c9<>5
  36. AIC: 7 7- r1c4 -4- r1c1 -5- r7c1 =5= r7c7 -5- r6c7 =5= r6c6 =2= r2c6 =7= r2c9 -7 => r1c89,r2c6<>7
  37. Riga 1 / Colonna 8 → 8 (Naked Single)
  38. Riga 2 / Colonna 6 → 2 (Naked Single)
  39. Riga 1 / Colonna 9 → 5 (Naked Single)
  40. Riga 2 / Colonna 2 → 9 (Naked Single)
  41. Riga 2 / Colonna 9 → 7 (Full House)
  42. Riga 3 / Colonna 9 → 9 (Full House)
  43. Riga 7 / Colonna 2 → 2 (Full House)
  44. Riga 6 / Colonna 9 → 8 (Full House)
  45. Riga 3 / Colonna 5 → 8 (Naked Single)
  46. Riga 1 / Colonna 1 → 4 (Naked Single)
  47. Riga 1 / Colonna 4 → 7 (Full House)
  48. Riga 3 / Colonna 4 → 4 (Full House)
  49. Riga 3 / Colonna 3 → 5 (Naked Single)
  50. Riga 3 / Colonna 1 → 2 (Full House)
  51. Riga 7 / Colonna 1 → 5 (Full House)
  52. Riga 6 / Colonna 4 → 2 (Naked Single)
  53. Riga 8 / Colonna 4 → 9 (Naked Single)
  54. Riga 7 / Colonna 4 → 6 (Naked Single)
  55. Riga 4 / Colonna 4 → 8 (Full House)
  56. Riga 8 / Colonna 3 → 7 (Naked Single)
  57. Riga 9 / Colonna 3 → 9 (Full House)
  58. Riga 9 / Colonna 7 → 7 (Full House)
  59. Riga 7 / Colonna 5 → 7 (Naked Single)
  60. Riga 8 / Colonna 5 → 2 (Full House)
  61. Riga 8 / Colonna 8 → 5 (Full House)
  62. Riga 7 / Colonna 7 → 9 (Full House)
  63. Riga 6 / Colonna 7 → 5 (Full House)
  64. Riga 4 / Colonna 5 → 6 (Full House)
  65. Riga 4 / Colonna 8 → 7 (Full House)
  66. Riga 6 / Colonna 6 → 7 (Full House)
  67. Riga 4 / Colonna 6 → 5 (Full House)
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