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

这个数独谜题有 18 个步骤，它使用 Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), undefined, Discontinuous Nice Loop, Give Up 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 1 / 柱子 8 → 9 (Naked Single)
  2. 排 5 / 柱子 4 → 6 (Naked Single)
  3. 排 3 / 柱子 5 → 9 (Naked Single)
  4. 排 5 / 柱子 6 → 7 (Naked Single)
  5. 排 2 / 柱子 4 → 4 (Naked Single)
  6. 排 2 / 柱子 6 → 6 (Naked Single)
  7. 排 3 / 柱子 4 → 8 (Naked Single)
  8. 排 2 / 柱子 5 → 7 (Full House)
  9. 排 6 / 柱子 4 → 9 (Full House)
  10. 排 1 / 柱子 9 → 8 (Hidden Single)
  11. 排 4 / 柱子 6 → 8 (Hidden Single)
  12. 排 8 / 柱子 7 → 9 (Hidden Single)
  13. Locked Candidates Type 1 (Pointing): 5 in b3 => r2c13<>5
  14. Locked Candidates Type 1 (Pointing): 1 in b5 => r78c5<>1
  15. Locked Candidates Type 1 (Pointing): 7 in b9 => r46c9<>7
  16. Finned X-Wing: 1 r39 c29 fr9c7 fr9c8 => r78c9<>1
  17. Discontinuous Nice Loop: 3 r7c9 -3- r7c5 -6- r8c5 =6= r8c9 =7= r7c9 => r7c9<>3
  18. Give Up: Don't know how to proceed!
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