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

这个数独谜题有 15 个步骤，它使用 Hidden Single, Locked Candidates Type 1 (Pointing), Hidden Pair, Empty Rectangle, Finned Swordfish, Give Up 技术解决。

Hidden Single 解释
Hidden Pair 解释
Locked Candidates 解释
尝试解决

解决步骤：

  1. 排 2 / 柱子 4 → 2 (Hidden Single)
  2. 排 4 / 柱子 6 → 4 (Hidden Single)
  3. 排 8 / 柱子 6 → 6 (Hidden Single)
  4. 排 2 / 柱子 9 → 6 (Hidden Single)
  5. 排 1 / 柱子 4 → 6 (Hidden Single)
  6. 排 5 / 柱子 8 → 6 (Hidden Single)
  7. 排 6 / 柱子 2 → 6 (Hidden Single)
  8. Locked Candidates Type 1 (Pointing): 9 in b1 => r1c56<>9
  9. Locked Candidates Type 1 (Pointing): 7 in b3 => r46c9<>7
  10. Locked Candidates Type 1 (Pointing): 4 in b9 => r9c12<>4
  11. Locked Candidates Type 1 (Pointing): 9 in b9 => r9c56<>9
  12. Hidden Pair: 4,9 in r9c79 => r9c79<>1, r9c79<>8, r9c9<>2, r9c9<>5
  13. Empty Rectangle: 2 in b6 (r8c19) => r4c1<>2
  14. Finned Swordfish: 5 r258 c159 fr5c2 => r46c1<>5
  15. Give Up: Don't know how to proceed!
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