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

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

Locked Candidates 解释
尝试解决

解决步骤：

  1. Locked Candidates Type 1 (Pointing): 4 in b5 => r5c789<>4
  2. Locked Candidates Type 1 (Pointing): 6 in b5 => r78c5<>6
  3. Hidden Rectangle: 6/9 in r7c16,r8c16 => r7c6<>9
  4. Give Up: Don't know how to proceed!
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