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

Questo puzzle di sudoku ha 75 passaggi e viene risolto utilizzando tecniche di Locked Candidates Type 1 (Pointing), Swordfish, Hidden Pair, Continuous Nice Loop, undefined, Naked Single, Hidden Triple, Discontinuous Nice Loop, Full House, Hidden Single.

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

Passaggi della soluzione:

  1. Locked Candidates Type 1 (Pointing): 1 in b5 => r5c127<>1
  2. Locked Candidates Type 1 (Pointing): 3 in b5 => r1379c5<>3
  3. Locked Candidates Type 1 (Pointing): 4 in b9 => r8c126<>4
  4. Locked Candidates Type 1 (Pointing): 5 in b9 => r8c1246<>5
  5. Swordfish: 6 r258 c248 => r3c48,r6c28,r7c24<>6
  6. Swordfish: 7 r258 c147 => r3c47,r4c17,r9c14<>7
  7. Hidden Pair: 6,7 in r2c4,r3c5 => r2c4<>1, r2c4<>2, r2c4<>3, r2c4,r3c5<>8, r3c5<>5, r3c5<>9
  8. Hidden Pair: 6,7 in r3c59 => r3c9<>1, r3c9<>9
  9. Hidden Pair: 6,7 in r28c4 => r8c4<>2
  10. Continuous Nice Loop: 1/5/8/9 9= r4c9 =7= r4c3 -7- r9c3 =7= r9c5 =9= r1c5 -9- r1c9 =9= r4c9 =7 => r4c9<>1, r9c5<>5, r9c5<>8, r1c368<>9
  11. XY-Wing: 6/7/9 in r8c24,r9c5 => r8c6,r9c123<>9
  12. Riga 8 / Colonna 6 → 2 (Naked Single)
  13. Locked Candidates Type 1 (Pointing): 2 in b2 => r1c78<>2
  14. Hidden Triple: 2,6,7 in r2c78,r3c9 => r2c7<>1, r2c78<>3, r2c7<>8, r2c8<>9
  15. W-Wing: 9/7 in r4c9,r8c1 connected by 7 in r5c17 => r4c1<>9
  16. Discontinuous Nice Loop: 1/2/4/5 r7c3 =6= r7c5 -6- r3c5 -7- r3c9 =7= r4c9 =9= r5c8 =6= r5c2 -6- r8c2 =6= r7c3 => r7c3<>1, r7c3<>2, r7c3<>4, r7c3<>5
  17. Riga 7 / Colonna 3 → 6 (Naked Single)
  18. Riga 7 / Colonna 5 → 5 (Naked Single)
  19. Riga 8 / Colonna 2 → 9 (Naked Single)
  20. Riga 7 / Colonna 4 → 3 (Naked Single)
  21. Riga 8 / Colonna 1 → 7 (Naked Single)
  22. Riga 7 / Colonna 6 → 4 (Naked Single)
  23. Riga 9 / Colonna 4 → 8 (Naked Single)
  24. Riga 8 / Colonna 4 → 6 (Naked Single)
  25. Riga 7 / Colonna 2 → 1 (Naked Single)
  26. Riga 7 / Colonna 1 → 2 (Full House)
  27. Riga 9 / Colonna 6 → 9 (Naked Single)
  28. Riga 9 / Colonna 5 → 7 (Full House)
  29. Riga 2 / Colonna 4 → 7 (Naked Single)
  30. Riga 4 / Colonna 2 → 5 (Naked Single)
  31. Riga 3 / Colonna 5 → 6 (Naked Single)
  32. Riga 2 / Colonna 7 → 2 (Naked Single)
  33. Riga 4 / Colonna 1 → 1 (Naked Single)
  34. Riga 3 / Colonna 9 → 7 (Naked Single)
  35. Riga 2 / Colonna 8 → 6 (Naked Single)
  36. Riga 4 / Colonna 7 → 3 (Naked Single)
  37. Riga 4 / Colonna 9 → 9 (Naked Single)
  38. Riga 4 / Colonna 5 → 2 (Naked Single)
  39. Riga 4 / Colonna 3 → 7 (Full House)
  40. Riga 1 / Colonna 9 → 1 (Naked Single)
  41. Riga 6 / Colonna 9 → 6 (Full House)
  42. Riga 5 / Colonna 5 → 8 (Naked Single)
  43. Riga 1 / Colonna 5 → 9 (Naked Single)
  44. Riga 6 / Colonna 5 → 3 (Full House)
  45. Riga 5 / Colonna 1 → 9 (Naked Single)
  46. Riga 5 / Colonna 2 → 6 (Naked Single)
  47. Riga 5 / Colonna 7 → 7 (Hidden Single)
  48. Riga 3 / Colonna 8 → 9 (Hidden Single)
  49. Riga 1 / Colonna 4 → 2 (Hidden Single)
  50. Riga 6 / Colonna 3 → 2 (Hidden Single)
  51. Riga 6 / Colonna 8 → 5 (Naked Single)
  52. Riga 5 / Colonna 8 → 2 (Naked Single)
  53. Riga 6 / Colonna 7 → 1 (Full House)
  54. Riga 8 / Colonna 8 → 4 (Naked Single)
  55. Riga 1 / Colonna 8 → 3 (Full House)
  56. Riga 8 / Colonna 7 → 5 (Full House)
  57. Riga 2 / Colonna 3 → 9 (Hidden Single)
  58. Riga 2 / Colonna 6 → 1 (Hidden Single)
  59. Riga 3 / Colonna 4 → 5 (Naked Single)
  60. Riga 5 / Colonna 4 → 1 (Full House)
  61. Riga 5 / Colonna 6 → 5 (Full House)
  62. Riga 1 / Colonna 6 → 8 (Naked Single)
  63. Riga 3 / Colonna 6 → 3 (Full House)
  64. Riga 1 / Colonna 7 → 4 (Naked Single)
  65. Riga 1 / Colonna 3 → 5 (Full House)
  66. Riga 3 / Colonna 7 → 8 (Full House)
  67. Riga 9 / Colonna 3 → 4 (Naked Single)
  68. Riga 3 / Colonna 3 → 1 (Full House)
  69. Riga 3 / Colonna 1 → 4 (Full House)
  70. Riga 9 / Colonna 2 → 3 (Naked Single)
  71. Riga 9 / Colonna 1 → 5 (Full House)
  72. Riga 6 / Colonna 1 → 8 (Naked Single)
  73. Riga 2 / Colonna 1 → 3 (Full House)
  74. Riga 2 / Colonna 2 → 8 (Full House)
  75. Riga 6 / Colonna 2 → 4 (Full House)
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