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

这个数独谜题有 47 个步骤，它使用 Naked Single, Full House, Hidden Single, Locked Pair, Locked Candidates Type 1 (Pointing), Uniqueness Test 1, Hidden Rectangle, AIC, Naked Triple, Hidden Pair, Uniqueness Test 4, Empty Rectangle, Uniqueness Test 6, Sue de Coq, 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
Full House 解释
尝试解决

解决步骤：

  1. 排 2 / 柱子 3 → 4 (Naked Single)
  2. 排 2 / 柱子 2 → 9 (Full House)
  3. 排 1 / 柱子 4 → 8 (Hidden Single)
  4. 排 5 / 柱子 4 → 4 (Hidden Single)
  5. 排 4 / 柱子 1 → 9 (Hidden Single)
  6. 排 1 / 柱子 5 → 6 (Hidden Single)
  7. 排 3 / 柱子 8 → 6 (Hidden Single)
  8. 排 1 / 柱子 7 → 9 (Hidden Single)
  9. 排 8 / 柱子 9 → 4 (Hidden Single)
  10. 排 1 / 柱子 9 → 3 (Naked Single)
  11. 排 1 / 柱子 8 → 4 (Full House)
  12. Locked Pair: 2,8 in r8c13 => r8c46,r9c3<>2, r8c6,r9c3<>8
  13. Locked Candidates Type 1 (Pointing): 1 in b3 => r56c7<>1
  14. Locked Candidates Type 1 (Pointing): 2 in b3 => r57c7<>2
  15. Uniqueness Test 1: 1/2 in r2c47,r3c47 => r2c4<>1, r2c4<>2
  16. Uniqueness Test 1: 2/8 in r5c13,r8c13 => r5c3<>2, r5c3<>8
  17. Hidden Rectangle: 1/4 in r7c25,r9c25 => r9c5<>1
  18. AIC: 1 1- r2c5 -3- r2c4 =3= r9c4 =2= r3c4 =1= r3c7 -1 => r2c7,r3c4<>1
  19. 排 2 / 柱子 7 → 2 (Naked Single)
  20. 排 3 / 柱子 7 → 1 (Full House)
  21. 排 3 / 柱子 4 → 2 (Full House)
  22. Naked Triple: 1,3,4 in r79c5,r9c4 => r79c6<>1
  23. Hidden Pair: 1,4 in r7c25 => r7c5<>3
  24. Locked Candidates Type 1 (Pointing): 3 in b8 => r9c8<>3
  25. Uniqueness Test 1: 2/8 in r7c68,r9c68 => r7c8<>2, r7c8<>8
  26. 排 7 / 柱子 8 → 3 (Naked Single)
  27. Uniqueness Test 4: 1/4 in r7c25,r9c25 => r9c2<>1
  28. Empty Rectangle: 1 in b5 (r9c34) => r6c3<>1
  29. Uniqueness Test 6: 1/3 in r2c45,r9c45 => r2c4,r9c5<>3
  30. 排 2 / 柱子 4 → 5 (Naked Single)
  31. 排 9 / 柱子 5 → 4 (Naked Single)
  32. 排 2 / 柱子 6 → 1 (Naked Single)
  33. 排 2 / 柱子 5 → 3 (Full House)
  34. 排 7 / 柱子 5 → 1 (Full House)
  35. 排 8 / 柱子 4 → 9 (Naked Single)
  36. 排 9 / 柱子 2 → 6 (Naked Single)
  37. 排 6 / 柱子 6 → 9 (Naked Single)
  38. 排 7 / 柱子 2 → 4 (Naked Single)
  39. 排 9 / 柱子 4 → 3 (Naked Single)
  40. 排 8 / 柱子 6 → 5 (Naked Single)
  41. 排 9 / 柱子 3 → 1 (Naked Single)
  42. 排 5 / 柱子 3 → 3 (Naked Single)
  43. 排 6 / 柱子 7 → 3 (Hidden Single)
  44. Sue de Coq: r5c79 - {1278} (r5c2 - {17}, r46c8 - {258}) => r4c9<>2
  45. Discontinuous Nice Loop: 1 r4c2 -1- r5c2 =1= r5c9 =2= r4c8 =5= r4c2 => r4c2<>1
  46. Discontinuous Nice Loop: 7 r6c9 -7- r6c4 -1- r4c4 =1= r4c9 =6= r6c9 => r6c9<>7
  47. Give Up: Don't know how to proceed!
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