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

这个数独谜题有 29 个步骤，它使用 Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Empty Rectangle, Discontinuous Nice Loop, Naked Triple, Hidden Pair, Uniqueness Test 1, Uniqueness Test 4, Uniqueness Test 6, Naked Pair, undefined, Give Up 技术解决。

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

解决步骤：

  1. 排 8 / 柱子 1 → 2 (Naked Single)
  2. 排 8 / 柱子 9 → 4 (Naked Single)
  3. 排 8 / 柱子 3 → 8 (Naked Single)
  4. 排 1 / 柱子 4 → 8 (Hidden Single)
  5. 排 3 / 柱子 2 → 8 (Hidden Single)
  6. 排 5 / 柱子 4 → 4 (Hidden Single)
  7. 排 1 / 柱子 5 → 6 (Hidden Single)
  8. 排 3 / 柱子 8 → 6 (Hidden Single)
  9. 排 1 / 柱子 8 → 4 (Hidden Single)
  10. Locked Candidates Type 1 (Pointing): 3 in b2 => r2c7<>3
  11. Locked Candidates Type 1 (Pointing): 2 in b3 => r57c7<>2
  12. Locked Candidates Type 1 (Pointing): 9 in b3 => r56c7<>9
  13. Empty Rectangle: 1 in b5 (r3c47) => r6c7<>1
  14. Discontinuous Nice Loop: 2 r9c4 -2- r3c4 -1- r2c5 -3- r2c4 =3= r9c4 => r9c4<>2
  15. Locked Candidates Type 1 (Pointing): 2 in b8 => r2c6<>2
  16. Naked Triple: 1,3,4 in r79c5,r9c4 => r79c6<>1
  17. Hidden Pair: 1,4 in r7c25 => r7c5<>3
  18. Locked Candidates Type 1 (Pointing): 3 in b8 => r9c8<>3
  19. Uniqueness Test 1: 2/8 in r7c68,r9c68 => r7c8<>2, r7c8<>8
  20. 排 7 / 柱子 8 → 3 (Naked Single)
  21. Uniqueness Test 4: 1/2 in r2c47,r3c47 => r2c47<>1
  22. Uniqueness Test 6: 1/3 in r2c45,r9c45 => r2c4,r9c5<>3
  23. 排 2 / 柱子 5 → 3 (Hidden Single)
  24. 排 9 / 柱子 4 → 3 (Hidden Single)
  25. Uniqueness Test 1: 1/4 in r7c25,r9c25 => r9c2<>1, r9c2<>4
  26. 排 9 / 柱子 2 → 6 (Naked Single)
  27. Naked Pair: 1,4 in r29c3 => r456c3<>1
  28. Almost Locked Set XZ-Rule: A=r6c24678 {135789}, B=r1235c7 {12379}, X=3, Z=7 => r6c9<>7
  29. Give Up: Don't know how to proceed!
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