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

这个数独谜题有 75 个步骤，它使用 Hidden Single, Locked Pair, Naked Single, Locked Candidates Type 1 (Pointing), Finned Swordfish, undefined, Empty Rectangle, Discontinuous Nice Loop, Naked Pair, Uniqueness Test 1, Sue de Coq, Grouped AIC, Full House 技术解决。

Naked Single 解释
Hidden Single 解释
Locked Candidates 解释
Full House 解释
尝试解决

解决步骤：

  1. 排 3 / 柱子 8 → 6 (Hidden Single)
  2. Locked Pair: 3,7 in r12c9 => r1c8,r2c7,r467c9<>3, r1c8,r2c7,r4678c9<>7
  3. 排 6 / 柱子 9 → 6 (Naked Single)
  4. 排 4 / 柱子 9 → 4 (Naked Single)
  5. 排 7 / 柱子 7 → 6 (Hidden Single)
  6. 排 2 / 柱子 3 → 4 (Hidden Single)
  7. 排 5 / 柱子 2 → 4 (Hidden Single)
  8. 排 7 / 柱子 1 → 4 (Hidden Single)
  9. 排 2 / 柱子 1 → 9 (Hidden Single)
  10. 排 9 / 柱子 8 → 4 (Hidden Single)
  11. 排 5 / 柱子 5 → 6 (Hidden Single)
  12. 排 4 / 柱子 2 → 6 (Hidden Single)
  13. 排 6 / 柱子 2 → 5 (Hidden Single)
  14. 排 6 / 柱子 3 → 9 (Hidden Single)
  15. 排 8 / 柱子 9 → 9 (Hidden Single)
  16. 排 7 / 柱子 9 → 1 (Naked Single)
  17. Locked Candidates Type 1 (Pointing): 7 in b5 => r13c6<>7
  18. Finned Swordfish: 8 r159 c467 fr5c8 => r46c7<>8
  19. Locked Candidates Type 1 (Pointing): 8 in b6 => r8c8<>8
  20. XY-Chain: 2 2- r1c8 -5- r8c8 -7- r8c1 -1- r8c3 -2 => r1c3<>2
  21. 排 8 / 柱子 3 → 2 (Hidden Single)
  22. Empty Rectangle: 1 in b4 (r8c15) => r4c5<>1
  23. Discontinuous Nice Loop: 3 r2c5 -3- r2c9 =3= r1c9 -3- r1c3 =3= r3c1 =7= r8c1 -7- r8c8 -5- r8c7 =5= r2c7 =2= r2c5 => r2c5<>3
  24. Naked Pair: 2,5 in r2c57 => r2c4<>5
  25. Uniqueness Test 1: 3/7 in r1c49,r2c49 => r1c4<>3, r1c4<>7
  26. Discontinuous Nice Loop: 7 r3c2 -7- r3c1 =7= r8c1 -7- r8c8 -5- r1c8 -2- r1c2 =2= r3c2 => r3c2<>7
  27. Sue de Coq: r1c23 - {1237} (r1c9 - {37}, r3c2 - {12}) => r3c1<>1, r1c6<>3
  28. Discontinuous Nice Loop: 1 r6c6 -1- r6c5 =1= r8c5 =8= r8c7 -8- r9c7 -3- r4c7 -7- r4c6 =7= r6c6 => r6c6<>1
  29. X-Wing: 1 r68 c15 => r4c1<>1
  30. Discontinuous Nice Loop: 7 r6c7 -7- r6c6 =7= r4c6 =5= r4c5 -5- r2c5 -2- r2c7 =2= r6c7 => r6c7<>7
  31. Discontinuous Nice Loop: 3 r7c6 -3- r7c8 =3= r9c7 -3- r6c7 -2- r2c7 =2= r2c5 -2- r7c5 =2= r7c6 => r7c6<>3
  32. Discontinuous Nice Loop: 5 r7c6 -5- r7c4 =5= r1c4 -5- r2c5 -2- r7c5 =2= r7c6 => r7c6<>5
  33. Grouped AIC: 2 2- r2c5 =2= r2c7 -2- r6c7 -3- r5c8 =3= r5c46 -3- r46c5 =3= r7c5 =2= r7c6 -2 => r13c6,r7c5<>2
  34. 排 3 / 柱子 2 → 2 (Hidden Single)
  35. 排 7 / 柱子 6 → 2 (Hidden Single)
  36. 排 2 / 柱子 5 → 2 (Hidden Single)
  37. 排 2 / 柱子 7 → 5 (Naked Single)
  38. 排 1 / 柱子 8 → 2 (Naked Single)
  39. 排 6 / 柱子 7 → 2 (Hidden Single)
  40. Locked Candidates Type 1 (Pointing): 1 in b1 => r1c46<>1
  41. W-Wing: 3/1 in r1c3,r3c6 connected by 1 in r4c36 => r3c1<>3
  42. 排 3 / 柱子 1 → 7 (Naked Single)
  43. 排 1 / 柱子 2 → 1 (Naked Single)
  44. 排 1 / 柱子 3 → 3 (Full House)
  45. 排 4 / 柱子 3 → 1 (Full House)
  46. 排 8 / 柱子 1 → 1 (Naked Single)
  47. 排 9 / 柱子 2 → 9 (Naked Single)
  48. 排 7 / 柱子 2 → 7 (Full House)
  49. 排 1 / 柱子 9 → 7 (Naked Single)
  50. 排 2 / 柱子 9 → 3 (Full House)
  51. 排 2 / 柱子 4 → 7 (Full House)
  52. 排 6 / 柱子 5 → 1 (Hidden Single)
  53. 排 7 / 柱子 4 → 9 (Hidden Single)
  54. 排 5 / 柱子 6 → 9 (Hidden Single)
  55. 排 1 / 柱子 4 → 5 (Hidden Single)
  56. 排 1 / 柱子 6 → 8 (Full House)
  57. 排 4 / 柱子 6 → 5 (Hidden Single)
  58. 排 4 / 柱子 7 → 7 (Hidden Single)
  59. 排 8 / 柱子 7 → 8 (Naked Single)
  60. 排 9 / 柱子 7 → 3 (Full House)
  61. 排 8 / 柱子 5 → 5 (Naked Single)
  62. 排 8 / 柱子 8 → 7 (Full House)
  63. 排 7 / 柱子 8 → 5 (Full House)
  64. 排 7 / 柱子 5 → 3 (Full House)
  65. 排 4 / 柱子 5 → 8 (Full House)
  66. 排 4 / 柱子 1 → 3 (Full House)
  67. 排 6 / 柱子 1 → 8 (Full House)
  68. 排 9 / 柱子 6 → 1 (Naked Single)
  69. 排 9 / 柱子 4 → 8 (Full House)
  70. 排 5 / 柱子 4 → 3 (Naked Single)
  71. 排 3 / 柱子 4 → 1 (Full House)
  72. 排 3 / 柱子 6 → 3 (Full House)
  73. 排 5 / 柱子 8 → 8 (Full House)
  74. 排 6 / 柱子 8 → 3 (Full House)
  75. 排 6 / 柱子 6 → 7 (Full House)
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