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

这个数独谜题有 4 个步骤，它使用 Locked Candidates Type 1 (Pointing), Hidden Pair, Give Up 技术解决。

Hidden Pair 解释
Locked Candidates 解释
尝试解决

解决步骤：

  1. Locked Candidates Type 1 (Pointing): 1 in b4 => r79c3<>1
  2. Hidden Pair: 4,5 in r6c78 => r6c78<>2, r6c7<>6, r6c8<>7
  3. Locked Candidates Type 1 (Pointing): 2 in b6 => r4c56<>2
  4. Give Up: Don't know how to proceed!
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