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

Questo puzzle di sudoku ha 69 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, undefined, Continuous Nice Loop, Discontinuous Nice Loop, Naked Single, AIC, Full House, Naked Triple.

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

Passaggi della soluzione:

  1. Riga 4 / Colonna 8 → 9 (Hidden Single)
  2. Riga 3 / Colonna 3 → 8 (Hidden Single)
  3. Locked Candidates Type 1 (Pointing): 2 in b2 => r2c78<>2
  4. Locked Candidates Type 1 (Pointing): 6 in b2 => r4579c5<>6
  5. Locked Candidates Type 1 (Pointing): 1 in b6 => r5c56<>1
  6. Naked Pair: 2,7 in r26c6 => r45c6<>2, r4578c6<>7
  7. 2-String Kite: 6 in r5c1,r8c4 (connected by r4c4,r5c6) => r8c1<>6
  8. XYZ-Wing: 2/6/7 in r48c4,r6c6 => r6c4<>7
  9. Finned X-Wing: 9 r28 c27 fr8c1 => r9c2<>9
  10. Continuous Nice Loop: 2/3/6/7 4= r4c5 =1= r4c6 =3= r5c6 =6= r5c1 =5= r5c5 =4= r4c5 =1 => r5c1<>2, r5c1<>3, r4c6<>6, r45c5,r5c1<>7
  11. Discontinuous Nice Loop: 2/5/6/7 r1c7 =4= r1c8 -4- r6c8 =4= r6c2 =5= r6c4 -5- r5c5 -4- r5c7 =4= r1c7 => r1c7<>2, r1c7<>5, r1c7<>6, r1c7<>7
  12. Riga 1 / Colonna 7 → 4 (Naked Single)
  13. Finned X-Wing: 5 r15 c15 fr1c2 => r3c1<>5
  14. AIC: 3 3- r4c6 -1- r4c5 -4- r4c2 =4= r6c2 =5= r5c1 =6= r5c6 =3= r5c3 -3 => r4c123,r5c6<>3
  15. Riga 5 / Colonna 6 → 6 (Naked Single)
  16. Riga 5 / Colonna 1 → 5 (Naked Single)
  17. Riga 7 / Colonna 6 → 8 (Naked Single)
  18. Riga 5 / Colonna 5 → 4 (Naked Single)
  19. Riga 8 / Colonna 6 → 1 (Naked Single)
  20. Riga 4 / Colonna 5 → 1 (Naked Single)
  21. Riga 4 / Colonna 6 → 3 (Naked Single)
  22. Riga 5 / Colonna 3 → 3 (Hidden Single)
  23. Riga 8 / Colonna 4 → 6 (Hidden Single)
  24. Riga 6 / Colonna 4 → 5 (Hidden Single)
  25. Riga 8 / Colonna 1 → 8 (Hidden Single)
  26. Riga 4 / Colonna 2 → 4 (Hidden Single)
  27. Riga 6 / Colonna 2 → 7 (Naked Single)
  28. Riga 4 / Colonna 3 → 2 (Naked Single)
  29. Riga 4 / Colonna 1 → 6 (Full House)
  30. Riga 4 / Colonna 4 → 7 (Full House)
  31. Riga 6 / Colonna 6 → 2 (Full House)
  32. Riga 9 / Colonna 3 → 7 (Full House)
  33. Riga 2 / Colonna 4 → 2 (Full House)
  34. Riga 2 / Colonna 6 → 7 (Full House)
  35. Riga 6 / Colonna 8 → 4 (Full House)
  36. Riga 9 / Colonna 5 → 9 (Naked Single)
  37. Riga 7 / Colonna 5 → 7 (Full House)
  38. Riga 2 / Colonna 8 → 1 (Naked Single)
  39. Riga 9 / Colonna 2 → 6 (Hidden Single)
  40. Riga 7 / Colonna 7 → 6 (Hidden Single)
  41. Naked Triple: 5,7,9 in r238c7 => r5c7<>7
  42. X-Wing: 9 r28 c27 => r3c7<>9
  43. 2-String Kite: 3 in r1c2,r9c9 (connected by r8c2,r9c1) => r1c9<>3
  44. W-Wing: 7/3 in r1c1,r8c8 connected by 3 in r9c19 => r1c8<>7
  45. XY-Wing: 3/7/2 in r1c19,r9c1 => r9c9<>2
  46. XY-Wing: 2/9/7 in r17c9,r8c7 => r3c7<>7
  47. Riga 3 / Colonna 7 → 5 (Naked Single)
  48. Riga 2 / Colonna 7 → 9 (Naked Single)
  49. Riga 2 / Colonna 2 → 5 (Full House)
  50. Riga 3 / Colonna 5 → 6 (Naked Single)
  51. Riga 1 / Colonna 5 → 5 (Full House)
  52. Riga 8 / Colonna 7 → 7 (Naked Single)
  53. Riga 1 / Colonna 2 → 3 (Naked Single)
  54. Riga 8 / Colonna 2 → 9 (Full House)
  55. Riga 8 / Colonna 8 → 3 (Full House)
  56. Riga 1 / Colonna 1 → 7 (Naked Single)
  57. Riga 3 / Colonna 1 → 9 (Full House)
  58. Riga 7 / Colonna 1 → 2 (Naked Single)
  59. Riga 7 / Colonna 9 → 9 (Full House)
  60. Riga 9 / Colonna 1 → 3 (Full House)
  61. Riga 3 / Colonna 8 → 7 (Naked Single)
  62. Riga 3 / Colonna 9 → 3 (Full House)
  63. Riga 9 / Colonna 9 → 1 (Naked Single)
  64. Riga 9 / Colonna 7 → 2 (Full House)
  65. Riga 5 / Colonna 7 → 1 (Full House)
  66. Riga 1 / Colonna 9 → 2 (Naked Single)
  67. Riga 1 / Colonna 8 → 6 (Full House)
  68. Riga 5 / Colonna 8 → 2 (Full House)
  69. Riga 5 / Colonna 9 → 7 (Full House)
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