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

这个数独谜题有 5 个步骤，它使用 Locked Candidates Type 1 (Pointing), Hidden Pair, undefined, 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): 2 in b6 => r7c7<>2
  2. Locked Candidates Type 1 (Pointing): 8 in b6 => r13c8<>8
  3. Hidden Pair: 1,2 in r45c7 => r45c7<>3, r45c7<>6
  4. Almost Locked Set XY-Wing: A=r6c7 {36}, B=r1c89,r3c89 {35678}, C=r4569c8 {36789}, X,Y=3,7, Z=6 => r23c7<>6
  5. Give Up: Don't know how to proceed!
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