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

这个数独谜题有 2 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): 5 in b4 => r789c1<>5
  2. Give Up: Don't know how to proceed!
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