2
5
6
3
7
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 19 个步骤，它使用 Naked Single, Hidden Single, Locked Candidates Type 2 (Claiming), Grouped Discontinuous Nice Loop, undefined, Locked Candidates Type 1 (Pointing), Naked Triple, Hidden Pair, Uniqueness Test 1, Discontinuous Nice Loop, Give Up 技术解决。

Naked Single 解释
Hidden Single 解释
Hidden Pair 解释
Locked Candidates 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 5 / 柱子 4 → 4 (Hidden Single)
  6. 排 1 / 柱子 8 → 4 (Hidden Single)
  7. 排 3 / 柱子 2 → 8 (Hidden Single)
  8. 排 3 / 柱子 3 → 7 (Hidden Single)
  9. Locked Candidates Type 2 (Claiming): 9 in c5 => r2c46,r3c4<>9
  10. Grouped Discontinuous Nice Loop: 1 r6c7 -1- r5c79 =1= r5c23 -1- r4c1 =1= r1c1 -1- r1c9 =1= r123c7 -1- r6c7 => r6c7<>1
  11. Almost Locked Set XZ-Rule: A=r2c23457 {123459}, B=r3468c4 {12579}, X=5, Z=2 => r2c6<>2
  12. Locked Candidates Type 1 (Pointing): 2 in b2 => r9c4<>2
  13. Naked Triple: 1,3,4 in r79c5,r9c4 => r79c6<>1
  14. Hidden Pair: 1,4 in r7c25 => r7c5<>3
  15. Locked Candidates Type 1 (Pointing): 3 in b8 => r9c8<>3
  16. Uniqueness Test 1: 2/8 in r7c68,r9c68 => r7c8<>2, r7c8<>8
  17. 排 7 / 柱子 8 → 3 (Naked Single)
  18. Discontinuous Nice Loop: 9 r6c7 -9- r5c8 -2- r9c8 -8- r6c8 =8= r6c7 => r6c7<>9
  19. Give Up: Don't know how to proceed!
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