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

这个数独谜题有 74 个步骤，它使用 Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), undefined, Continuous Nice Loop, Sue de Coq, Discontinuous Nice Loop, Naked Single, Full House 技术解决。

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

解决步骤：

  1. 排 6 / 柱子 9 → 1 (Hidden Single)
  2. 排 4 / 柱子 4 → 3 (Hidden Single)
  3. 排 4 / 柱子 3 → 7 (Hidden Single)
  4. 排 8 / 柱子 4 → 7 (Hidden Single)
  5. 排 5 / 柱子 5 → 7 (Hidden Single)
  6. 排 9 / 柱子 9 → 7 (Hidden Single)
  7. 排 6 / 柱子 5 → 2 (Hidden Single)
  8. 排 3 / 柱子 5 → 4 (Hidden Single)
  9. 排 2 / 柱子 8 → 4 (Hidden Single)
  10. 排 2 / 柱子 6 → 1 (Hidden Single)
  11. 排 1 / 柱子 9 → 2 (Hidden Single)
  12. 排 2 / 柱子 1 → 7 (Hidden Single)
  13. 排 3 / 柱子 8 → 7 (Hidden Single)
  14. Locked Candidates Type 1 (Pointing): 5 in b6 => r78c8<>5
  15. Locked Candidates Type 1 (Pointing): 8 in b8 => r1c5<>8
  16. Locked Candidates Type 2 (Claiming): 9 in r9 => r7c13,r8c12<>9
  17. 2-String Kite: 4 in r5c7,r8c1 (connected by r8c9,r9c7) => r5c1<>4
  18. Locked Candidates Type 1 (Pointing): 4 in b4 => r9c3<>4
  19. XYZ-Wing: 2/6/8 in r2c23,r4c2 => r3c2<>8
  20. Continuous Nice Loop: 1/5/6/8/9 3= r3c2 =1= r3c3 -1- r7c3 =1= r7c5 =6= r1c5 -6- r2c4 =6= r2c2 =2= r8c2 =3= r3c2 =1 => r9c3<>1, r7c5<>5, r3c24<>6, r28c2,r7c5<>8, r3c2<>9
  21. XY-Wing: 2/6/8 in r2c23,r4c2 => r6c3<>8
  22. Locked Candidates Type 1 (Pointing): 8 in b4 => r9c2<>8
  23. Sue de Coq: r89c2 - {1239} (r3c2 - {13}, r789c1,r9c3 - {24589}) => r7c3<>2, r7c3<>5, r7c3<>8
  24. XY-Chain: 5 5- r4c8 -8- r4c2 -6- r2c2 -2- r2c3 -8- r2c4 -6- r6c4 -5 => r4c6,r6c8<>5
  25. 排 4 / 柱子 8 → 5 (Hidden Single)
  26. Discontinuous Nice Loop: 8 r3c1 -8- r3c4 -5- r1c5 -6- r7c5 -1- r7c3 =1= r3c3 =9= r3c1 => r3c1<>8
  27. Discontinuous Nice Loop: 8 r3c3 -8- r3c4 -5- r1c5 -6- r7c5 -1- r7c3 =1= r3c3 => r3c3<>8
  28. Discontinuous Nice Loop: 6 r4c6 -6- r6c4 =6= r2c4 =8= r2c3 =2= r5c3 =4= r6c3 -4- r6c6 =4= r4c6 => r4c6<>6
  29. 排 4 / 柱子 6 → 4 (Naked Single)
  30. 排 6 / 柱子 3 → 4 (Hidden Single)
  31. Locked Candidates Type 1 (Pointing): 6 in b5 => r6c2<>6
  32. XY-Chain: 9 9- r5c3 -2- r2c3 -8- r2c4 -6- r2c2 -2- r8c2 -3- r3c2 -1- r9c2 -9- r6c2 -8- r6c8 -9 => r5c89,r6c2<>9
  33. 排 5 / 柱子 8 → 3 (Naked Single)
  34. 排 6 / 柱子 2 → 8 (Naked Single)
  35. 排 4 / 柱子 2 → 6 (Naked Single)
  36. 排 4 / 柱子 9 → 8 (Full House)
  37. 排 6 / 柱子 8 → 9 (Naked Single)
  38. 排 2 / 柱子 2 → 2 (Naked Single)
  39. 排 2 / 柱子 3 → 8 (Naked Single)
  40. 排 2 / 柱子 4 → 6 (Full House)
  41. 排 8 / 柱子 2 → 3 (Naked Single)
  42. 排 1 / 柱子 5 → 5 (Naked Single)
  43. 排 3 / 柱子 4 → 8 (Full House)
  44. 排 6 / 柱子 4 → 5 (Full House)
  45. 排 6 / 柱子 6 → 6 (Full House)
  46. 排 3 / 柱子 2 → 1 (Naked Single)
  47. 排 9 / 柱子 2 → 9 (Full House)
  48. 排 7 / 柱子 3 → 1 (Naked Single)
  49. 排 1 / 柱子 1 → 6 (Naked Single)
  50. 排 1 / 柱子 3 → 3 (Naked Single)
  51. 排 1 / 柱子 7 → 8 (Full House)
  52. 排 8 / 柱子 5 → 8 (Naked Single)
  53. 排 9 / 柱子 3 → 5 (Naked Single)
  54. 排 7 / 柱子 5 → 6 (Naked Single)
  55. 排 9 / 柱子 5 → 1 (Full House)
  56. 排 8 / 柱子 8 → 2 (Naked Single)
  57. 排 7 / 柱子 8 → 8 (Full House)
  58. 排 3 / 柱子 3 → 9 (Naked Single)
  59. 排 3 / 柱子 1 → 5 (Full House)
  60. 排 5 / 柱子 3 → 2 (Full House)
  61. 排 5 / 柱子 1 → 9 (Full House)
  62. 排 9 / 柱子 7 → 4 (Naked Single)
  63. 排 9 / 柱子 1 → 8 (Full House)
  64. 排 8 / 柱子 1 → 4 (Naked Single)
  65. 排 7 / 柱子 1 → 2 (Full House)
  66. 排 5 / 柱子 7 → 6 (Naked Single)
  67. 排 5 / 柱子 9 → 4 (Full House)
  68. 排 8 / 柱子 9 → 9 (Naked Single)
  69. 排 8 / 柱子 6 → 5 (Full House)
  70. 排 7 / 柱子 6 → 9 (Full House)
  71. 排 3 / 柱子 7 → 3 (Naked Single)
  72. 排 3 / 柱子 9 → 6 (Full House)
  73. 排 7 / 柱子 9 → 3 (Full House)
  74. 排 7 / 柱子 7 → 5 (Full House)
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