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

这个数独谜题有 3 个步骤，它使用 Locked Candidates Type 1 (Pointing), Give Up 技术解决。

Locked Candidates 解释
尝试解决

解决步骤：

  1. Locked Candidates Type 1 (Pointing): 2 in b7 => r1c3<>2
  2. Locked Candidates Type 1 (Pointing): 3 in b9 => r123c8<>3
  3. Give Up: Don't know how to proceed!
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