2
1
3
4
3
4
2
1
5
8
4
3
1
2
4
1
2
5
3
3
5
2
4
1
5
3
1
8
2
7
4
3
2
1
4
4
2
1
5
3
8
1
7
4
3
2

这个数独谜题有 7 个步骤，它使用 Hidden Single, Locked Candidates Type 1 (Pointing), Grouped Continuous Nice Loop, Give Up 技术解决。

Hidden Single 解释
Locked Candidates 解释
尝试解决

解决步骤：

  1. 排 6 / 柱子 1 → 8 (Hidden Single)
  2. 排 9 / 柱子 7 → 5 (Hidden Single)
  3. 排 1 / 柱子 9 → 5 (Hidden Single)
  4. Locked Candidates Type 1 (Pointing): 6 in b6 => r4c45<>6
  5. Locked Candidates Type 1 (Pointing): 9 in b6 => r4c45<>9
  6. Grouped Continuous Nice Loop: 6/9 8= r9c2 =7= r7c13 -7- r7c5 =7= r4c5 =8= r8c5 -8- r8c3 =8= r9c2 =7 => r9c2<>6, r9c2<>9
  7. Give Up: Don't know how to proceed!
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