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

这个数独谜题有 8 个步骤，它使用 Hidden Single, Locked Candidates Type 1 (Pointing), Grouped Discontinuous 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 5 / 柱子 7 → 4 (Hidden Single)
  2. 排 5 / 柱子 4 → 2 (Hidden Single)
  3. 排 4 / 柱子 9 → 9 (Hidden Single)
  4. Locked Candidates Type 1 (Pointing): 1 in b6 => r3c8<>1
  5. Locked Candidates Type 1 (Pointing): 3 in b6 => r137c8<>3
  6. Locked Candidates Type 1 (Pointing): 5 in b6 => r79c8<>5
  7. Grouped Discontinuous Nice Loop: 3 r7c9 -3- r7c123 =3= r8c3 =6= r8c9 =4= r7c9 => r7c9<>3
  8. Give Up: Don't know how to proceed!
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