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

这个数独谜题有 89 个步骤,它使用 Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), undefined, Locked Pair, Naked Triple, Empty Rectangle, AIC, Uniqueness Test 4, Hidden Rectangle, Naked Single, Continuous Nice Loop, Locked Triple, Full House 技术解决。

尝试解决

解决步骤:

  1. 排 6 / 柱子 7 → 1 (Hidden Single)
  2. 排 4 / 柱子 8 → 2 (Hidden Single)
  3. 排 2 / 柱子 5 → 5 (Hidden Single)
  4. 排 8 / 柱子 9 → 2 (Hidden Single)
  5. 排 3 / 柱子 7 → 8 (Hidden Single)
  6. 排 7 / 柱子 5 → 2 (Hidden Single)
  7. 排 7 / 柱子 4 → 3 (Hidden Single)
  8. 排 8 / 柱子 4 → 4 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 3 in b2 => r4c6<>3
  10. Locked Candidates Type 1 (Pointing): 7 in b2 => r4c6<>7
  11. Locked Candidates Type 1 (Pointing): 3 in b6 => r5c5<>3
  12. Locked Candidates Type 1 (Pointing): 5 in b7 => r3c2<>5
  13. Locked Candidates Type 1 (Pointing): 8 in b8 => r8c1<>8
  14. Locked Candidates Type 2 (Claiming): 1 in r7 => r89c2<>1
  15. Locked Candidates Type 2 (Claiming): 6 in c4 => r123c6<>6
  16. XYZ-Wing: 4/5/6 in r79c7,r9c2 => r9c9<>4
  17. Locked Candidates Type 1 (Pointing): 4 in b9 => r45c7<>4
  18. Locked Pair: 7,9 in r45c7 => r1c7,r5c9<>7, r1c7,r5c8<>9
  19. Locked Candidates Type 1 (Pointing): 4 in b6 => r5c3<>4
  20. Naked Triple: 1,6,9 in r9c569 => r9c7<>6
  21. Empty Rectangle: 6 in b7 (r17c7) => r1c1<>6
  22. AIC: 4 4- r3c1 =4= r7c1 =8= r7c3 -8- r5c3 =8= r5c5 -8- r8c5 -6- r8c1 -7- r8c2 -5- r9c2 -4 => r23c2,r7c1<>4
  23. 排 3 / 柱子 1 → 4 (Hidden Single)
  24. Locked Candidates Type 1 (Pointing): 6 in b1 => r7c3<>6
  25. Uniqueness Test 4: 3/4 in r2c89,r5c89 => r2c89<>3
  26. AIC: 7 7- r1c1 -3- r2c2 =3= r2c6 =8= r8c6 -8- r8c5 -6- r8c1 =6= r7c1 =8= r7c3 -8- r5c3 -7 => r123c3,r6c1<>7
  27. Locked Candidates Type 2 (Claiming): 7 in c3 => r46c2<>7
  28. XY-Chain: 8 8- r6c1 -3- r1c1 -7- r8c1 -6- r8c5 -8 => r6c5<>8
  29. XY-Chain: 6 6- r4c6 -9- r6c4 -8- r6c1 -3- r1c1 -7- r8c1 -6 => r8c6<>6
  30. Hidden Rectangle: 6/9 in r4c56,r9c56 => r4c6<>9
  31. 排 4 / 柱子 6 → 6 (Naked Single)
  32. Continuous Nice Loop: 3/7 8= r2c6 =3= r2c2 -3- r1c1 -7- r8c1 -6- r8c5 -8- r8c6 =8= r2c6 =3 => r3c2<>3, r2c6<>7
  33. AIC: 6 6- r1c7 -5- r9c7 =5= r8c8 =1= r8c6 =8= r2c6 -8- r2c4 -6 => r1c4,r2c9<>6
  34. XY-Chain: 2 2- r1c4 -9- r6c4 -8- r6c1 -3- r1c1 -7- r3c2 -2 => r1c3,r3c4<>2
  35. 排 1 / 柱子 4 → 2 (Hidden Single)
  36. Hidden Rectangle: 2/7 in r3c23,r6c23 => r6c3<>7
  37. 排 6 / 柱子 5 → 7 (Hidden Single)
  38. 排 4 / 柱子 5 → 3 (Hidden Single)
  39. XY-Chain: 2 2- r3c2 -7- r1c1 -3- r6c1 -8- r6c3 -2 => r3c3,r6c2<>2
  40. 排 3 / 柱子 2 → 2 (Hidden Single)
  41. 排 6 / 柱子 3 → 2 (Hidden Single)
  42. Locked Triple: 1,5,6 in r123c3 => r2c2,r7c3<>1
  43. 排 7 / 柱子 2 → 1 (Hidden Single)
  44. XY-Chain: 5 5- r1c7 -6- r7c7 -4- r7c3 -8- r5c3 -7- r5c7 -9- r5c5 -8- r6c4 -9- r3c4 -6- r3c3 -5 => r1c3,r3c8<>5
  45. 排 3 / 柱子 3 → 5 (Hidden Single)
  46. W-Wing: 1/6 in r1c3,r9c9 connected by 6 in r17c7 => r1c9<>1
  47. XY-Chain: 3 3- r1c1 -7- r2c2 -3- r2c6 -8- r2c4 -6- r3c4 -9- r3c8 -3 => r1c89<>3
  48. Locked Candidates Type 1 (Pointing): 3 in b3 => r3c6<>3
  49. XY-Chain: 3 3- r1c1 -7- r1c9 -6- r1c3 -1- r2c3 -6- r2c4 -8- r2c6 -3 => r1c6,r2c2<>3
  50. 排 2 / 柱子 2 → 7 (Naked Single)
  51. 排 1 / 柱子 1 → 3 (Naked Single)
  52. 排 8 / 柱子 2 → 5 (Naked Single)
  53. 排 6 / 柱子 1 → 8 (Naked Single)
  54. 排 8 / 柱子 8 → 1 (Naked Single)
  55. 排 9 / 柱子 2 → 4 (Naked Single)
  56. 排 5 / 柱子 3 → 7 (Naked Single)
  57. 排 6 / 柱子 4 → 9 (Naked Single)
  58. 排 5 / 柱子 5 → 8 (Full House)
  59. 排 6 / 柱子 2 → 3 (Full House)
  60. 排 4 / 柱子 2 → 9 (Full House)
  61. 排 4 / 柱子 3 → 4 (Full House)
  62. 排 4 / 柱子 7 → 7 (Full House)
  63. 排 7 / 柱子 1 → 6 (Naked Single)
  64. 排 8 / 柱子 1 → 7 (Full House)
  65. 排 7 / 柱子 3 → 8 (Full House)
  66. 排 7 / 柱子 7 → 4 (Full House)
  67. 排 2 / 柱子 8 → 4 (Naked Single)
  68. 排 8 / 柱子 6 → 8 (Naked Single)
  69. 排 8 / 柱子 5 → 6 (Full House)
  70. 排 9 / 柱子 5 → 9 (Full House)
  71. 排 9 / 柱子 6 → 1 (Full House)
  72. 排 9 / 柱子 9 → 6 (Naked Single)
  73. 排 9 / 柱子 7 → 5 (Full House)
  74. 排 5 / 柱子 7 → 9 (Naked Single)
  75. 排 1 / 柱子 7 → 6 (Full House)
  76. 排 3 / 柱子 4 → 6 (Naked Single)
  77. 排 2 / 柱子 4 → 8 (Full House)
  78. 排 2 / 柱子 9 → 1 (Naked Single)
  79. 排 5 / 柱子 8 → 3 (Naked Single)
  80. 排 5 / 柱子 9 → 4 (Full House)
  81. 排 2 / 柱子 6 → 3 (Naked Single)
  82. 排 2 / 柱子 3 → 6 (Full House)
  83. 排 1 / 柱子 3 → 1 (Full House)
  84. 排 1 / 柱子 9 → 7 (Naked Single)
  85. 排 3 / 柱子 9 → 3 (Full House)
  86. 排 3 / 柱子 8 → 9 (Naked Single)
  87. 排 1 / 柱子 8 → 5 (Full House)
  88. 排 1 / 柱子 6 → 9 (Full House)
  89. 排 3 / 柱子 6 → 7 (Full House)
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