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

这个数独谜题有 75 个步骤，它使用 Hidden Single, Locked Candidates Type 1 (Pointing), Naked Single, Locked Pair, Locked Candidates Type 2 (Claiming), Naked Triple, Empty Rectangle, Uniqueness Test 2, undefined, Discontinuous Nice Loop, Hidden Pair, AIC, Full House 技术解决。

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

解决步骤：

  1. 排 1 / 柱子 9 → 5 (Hidden Single)
  2. 排 6 / 柱子 2 → 3 (Hidden Single)
  3. Locked Candidates Type 1 (Pointing): 4 in b3 => r457c8<>4
  4. 排 7 / 柱子 7 → 4 (Hidden Single)
  5. Locked Candidates Type 1 (Pointing): 9 in b7 => r1c2<>9
  6. 排 1 / 柱子 2 → 6 (Naked Single)
  7. 排 6 / 柱子 3 → 6 (Hidden Single)
  8. Locked Pair: 2,9 in r46c7 => r29c7,r4c89,r5c89,r6c9<>2
  9. 排 2 / 柱子 9 → 2 (Hidden Single)
  10. Locked Pair: 1,4 in r46c9 => r5c9<>4, r4c8,r8c9<>1
  11. 排 4 / 柱子 8 → 7 (Naked Single)
  12. 排 2 / 柱子 3 → 7 (Hidden Single)
  13. 排 1 / 柱子 3 → 9 (Hidden Single)
  14. Locked Candidates Type 2 (Claiming): 2 in r5 => r4c56,r6c45<>2
  15. Locked Candidates Type 2 (Claiming): 4 in r5 => r4c6,r6c4<>4
  16. Naked Triple: 5,6,8 in r8c79,r9c7 => r9c8<>6
  17. Empty Rectangle: 5 in b4 (r7c26) => r4c6<>5
  18. Uniqueness Test 2: 1/2 in r7c48,r9c48 => r6c4,r79c6<>9
  19. XY-Chain: 5 5- r3c2 -1- r2c1 -8- r2c7 -6- r9c7 -5 => r9c2<>5
  20. Discontinuous Nice Loop: 1 r2c6 -1- r2c1 -8- r1c1 -2- r6c1 =2= r6c7 =9= r6c5 -9- r2c5 =9= r2c6 => r2c6<>1
  21. Discontinuous Nice Loop: 1 r3c4 -1- r3c2 =1= r2c1 =8= r1c1 -8- r1c4 =8= r3c4 => r3c4<>1
  22. Discontinuous Nice Loop: 5 r9c1 -5- r9c7 -6- r2c7 -8- r2c1 -1- r3c2 -5- r5c2 -7- r9c2 =7= r9c1 => r9c1<>5
  23. Hidden Pair: 5,6 in r9c67 => r9c6<>1, r9c6<>2
  24. AIC: 6 6- r2c7 -8- r2c1 -1- r3c2 -5- r7c2 =5= r7c6 -5- r9c6 -6 => r2c6,r9c7<>6
  25. 排 9 / 柱子 7 → 5 (Naked Single)
  26. 排 9 / 柱子 6 → 6 (Naked Single)
  27. Discontinuous Nice Loop: 2 r3c5 -2- r3c3 -5- r3c2 -1- r2c1 =1= r2c5 =6= r3c5 => r3c5<>2
  28. 排 5 / 柱子 5 → 2 (Hidden Single)
  29. X-Wing: 5 r57 c26 => r3c2<>5
  30. 排 3 / 柱子 2 → 1 (Naked Single)
  31. 排 2 / 柱子 1 → 8 (Naked Single)
  32. 排 3 / 柱子 5 → 6 (Naked Single)
  33. 排 1 / 柱子 1 → 2 (Naked Single)
  34. 排 3 / 柱子 3 → 5 (Full House)
  35. 排 2 / 柱子 7 → 6 (Naked Single)
  36. 排 8 / 柱子 3 → 4 (Naked Single)
  37. 排 4 / 柱子 3 → 2 (Full House)
  38. 排 2 / 柱子 8 → 3 (Naked Single)
  39. 排 8 / 柱子 7 → 8 (Naked Single)
  40. 排 4 / 柱子 7 → 9 (Naked Single)
  41. 排 6 / 柱子 7 → 2 (Full House)
  42. 排 2 / 柱子 6 → 9 (Naked Single)
  43. 排 2 / 柱子 5 → 1 (Full House)
  44. 排 8 / 柱子 9 → 6 (Naked Single)
  45. 排 6 / 柱子 5 → 9 (Naked Single)
  46. 排 5 / 柱子 9 → 8 (Naked Single)
  47. 排 5 / 柱子 8 → 6 (Naked Single)
  48. W-Wing: 1/3 in r4c6,r8c4 connected by 3 in r1c46 => r6c4,r7c6<>1
  49. 排 6 / 柱子 4 → 7 (Naked Single)
  50. 排 5 / 柱子 4 → 4 (Naked Single)
  51. 排 6 / 柱子 1 → 4 (Naked Single)
  52. 排 6 / 柱子 9 → 1 (Full House)
  53. 排 4 / 柱子 9 → 4 (Full House)
  54. 排 5 / 柱子 6 → 5 (Naked Single)
  55. 排 5 / 柱子 2 → 7 (Full House)
  56. 排 4 / 柱子 1 → 5 (Full House)
  57. 排 4 / 柱子 5 → 3 (Naked Single)
  58. 排 4 / 柱子 6 → 1 (Full House)
  59. 排 8 / 柱子 5 → 5 (Full House)
  60. 排 7 / 柱子 6 → 2 (Naked Single)
  61. 排 9 / 柱子 2 → 9 (Naked Single)
  62. 排 7 / 柱子 2 → 5 (Full House)
  63. 排 8 / 柱子 1 → 1 (Naked Single)
  64. 排 8 / 柱子 4 → 3 (Full House)
  65. 排 9 / 柱子 1 → 7 (Full House)
  66. 排 3 / 柱子 6 → 4 (Naked Single)
  67. 排 1 / 柱子 6 → 3 (Full House)
  68. 排 7 / 柱子 8 → 1 (Naked Single)
  69. 排 7 / 柱子 4 → 9 (Full House)
  70. 排 9 / 柱子 4 → 1 (Full House)
  71. 排 9 / 柱子 8 → 2 (Full House)
  72. 排 1 / 柱子 4 → 8 (Naked Single)
  73. 排 1 / 柱子 8 → 4 (Full House)
  74. 排 3 / 柱子 8 → 8 (Full House)
  75. 排 3 / 柱子 4 → 2 (Full House)
展示更多...