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这个数独谜题有 75 个步骤，它使用 Hidden Single, Locked Candidates Type 1 (Pointing), Finned Swordfish, Continuous Nice Loop, Grouped Discontinuous Nice Loop, undefined, Naked Single, 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 4 / 柱子 7 → 7 (Hidden Single)
  2. 排 5 / 柱子 5 → 2 (Hidden Single)
  3. Locked Candidates Type 1 (Pointing): 4 in b5 => r78c4<>4
  4. Locked Candidates Type 1 (Pointing): 8 in b5 => r12c6<>8
  5. Locked Candidates Type 1 (Pointing): 5 in b8 => r7c789<>5
  6. Finned Swordfish: 1 c157 r357 fr2c7 => r3c9<>1
  7. Locked Candidates Type 1 (Pointing): 1 in b3 => r5c7<>1
  8. Continuous Nice Loop: 1/2/4/8/9 2= r6c9 =1= r5c9 -1- r5c1 =1= r7c1 =2= r3c1 -2- r3c9 =2= r6c9 =1 => r5c36<>1, r3c23<>2, r6c9,r7c1<>4, r6c9,r7c1<>8, r7c1<>9
  9. Grouped Discontinuous Nice Loop: 8 r1c3 -8- r1c5 =8= r3c5 =1= r7c5 -1- r7c1 =1= r5c1 =8= r13c1 -8- r1c3 => r1c3<>8
  10. Grouped Discontinuous Nice Loop: 8 r1c7 -8- r1c5 =8= r3c5 =1= r7c5 -1- r7c1 =1= r5c1 =8= r13c1 -8- r2c23 =8= r2c78 -8- r1c7 => r1c7<>8
  11. Grouped Discontinuous Nice Loop: 8 r1c9 -8- r1c5 =8= r3c5 =1= r7c5 -1- r7c1 =1= r5c1 =8= r13c1 -8- r2c23 =8= r2c78 -8- r1c9 => r1c9<>8
  12. Grouped Discontinuous Nice Loop: 1 r6c4 -1- r6c9 =1= r5c9 -1- r5c1 =1= r7c1 -1- r7c5 =1= r3c5 =8= r1c5 =6= r1c6 -6- r56c6 =6= r6c4 => r6c4<>1
  13. Grouped Discontinuous Nice Loop: 1 r7c6 -1- r7c5 =1= r3c5 =8= r1c5 =6= r1c6 -6- r56c6 =6= r6c4 =4= r4c4 =1= r46c6 -1- r7c6 => r7c6<>1
  14. Grouped Discontinuous Nice Loop: 1 r8c6 -1- r7c5 =1= r3c5 =8= r1c5 =6= r1c6 -6- r56c6 =6= r6c4 =4= r4c4 =1= r46c6 -1- r8c6 => r8c6<>1
  15. Almost Locked Set XZ-Rule: A=r1c179 {4589}, B=r3c1579 {12589}, X=5, Z=8 => r3c23<>8
  16. Almost Locked Set XZ-Rule: A=r1c179 {4589}, B=r3c57 {158}, X=5, Z=8 => r3c1<>8
  17. XY-Chain: 1 1- r3c5 -8- r1c5 -6- r9c5 -4- r9c1 -9- r3c1 -2- r7c1 -1 => r7c5<>1
  18. 排 3 / 柱子 5 → 1 (Hidden Single)
  19. 排 2 / 柱子 7 → 1 (Hidden Single)
  20. 排 1 / 柱子 5 → 8 (Hidden Single)
  21. 排 5 / 柱子 1 → 8 (Hidden Single)
  22. 排 1 / 柱子 6 → 6 (Hidden Single)
  23. 排 5 / 柱子 6 → 3 (Naked Single)
  24. 排 5 / 柱子 9 → 1 (Hidden Single)
  25. 排 6 / 柱子 9 → 2 (Naked Single)
  26. 排 7 / 柱子 1 → 1 (Hidden Single)
  27. 排 6 / 柱子 4 → 6 (Hidden Single)
  28. 排 6 / 柱子 2 → 4 (Naked Single)
  29. 排 6 / 柱子 3 → 1 (Naked Single)
  30. 排 6 / 柱子 6 → 8 (Naked Single)
  31. 排 6 / 柱子 8 → 3 (Full House)
  32. 排 4 / 柱子 6 → 1 (Naked Single)
  33. 排 4 / 柱子 4 → 4 (Full House)
  34. 排 1 / 柱子 3 → 3 (Hidden Single)
  35. 排 3 / 柱子 4 → 3 (Hidden Single)
  36. 排 3 / 柱子 1 → 2 (Hidden Single)
  37. 排 2 / 柱子 8 → 2 (Hidden Single)
  38. 排 8 / 柱子 4 → 1 (Hidden Single)
  39. 排 4 / 柱子 8 → 8 (Hidden Single)
  40. 排 2 / 柱子 3 → 4 (Hidden Single)
  41. 排 1 / 柱子 1 → 9 (Naked Single)
  42. 排 9 / 柱子 1 → 4 (Full House)
  43. 排 9 / 柱子 5 → 6 (Naked Single)
  44. 排 7 / 柱子 5 → 4 (Full House)
  45. 排 7 / 柱子 8 → 9 (Naked Single)
  46. 排 7 / 柱子 4 → 5 (Naked Single)
  47. 排 2 / 柱子 4 → 9 (Full House)
  48. 排 2 / 柱子 6 → 5 (Full House)
  49. 排 2 / 柱子 2 → 8 (Full House)
  50. 排 8 / 柱子 8 → 4 (Naked Single)
  51. 排 5 / 柱子 8 → 5 (Full House)
  52. 排 5 / 柱子 7 → 4 (Full House)
  53. 排 7 / 柱子 6 → 7 (Naked Single)
  54. 排 8 / 柱子 6 → 9 (Full House)
  55. 排 1 / 柱子 7 → 5 (Naked Single)
  56. 排 1 / 柱子 9 → 4 (Full House)
  57. 排 7 / 柱子 9 → 8 (Naked Single)
  58. 排 3 / 柱子 7 → 8 (Naked Single)
  59. 排 3 / 柱子 9 → 9 (Full House)
  60. 排 9 / 柱子 7 → 3 (Naked Single)
  61. 排 7 / 柱子 7 → 6 (Full House)
  62. 排 8 / 柱子 9 → 7 (Naked Single)
  63. 排 9 / 柱子 9 → 5 (Full House)
  64. 排 7 / 柱子 3 → 2 (Naked Single)
  65. 排 7 / 柱子 2 → 3 (Full House)
  66. 排 8 / 柱子 2 → 6 (Naked Single)
  67. 排 8 / 柱子 3 → 8 (Full House)
  68. 排 4 / 柱子 3 → 5 (Naked Single)
  69. 排 4 / 柱子 2 → 2 (Full House)
  70. 排 5 / 柱子 2 → 9 (Naked Single)
  71. 排 5 / 柱子 3 → 6 (Full House)
  72. 排 3 / 柱子 3 → 7 (Naked Single)
  73. 排 3 / 柱子 2 → 5 (Full House)
  74. 排 9 / 柱子 2 → 7 (Full House)
  75. 排 9 / 柱子 3 → 9 (Full House)
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