解决方案 數獨專家 #3438617942541

2
1
8
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5
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9
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这个数独谜题有 73 个步骤,它使用 Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Hidden Pair, undefined, AIC, Locked Pair, Continuous Nice Loop, Skyscraper, Sue de Coq 技术解决。

尝试解决

解决步骤:

  1. 排 7 / 柱子 5 → 6 (Naked Single)
  2. 排 2 / 柱子 5 → 1 (Naked Single)
  3. 排 3 / 柱子 5 → 4 (Naked Single)
  4. 排 8 / 柱子 5 → 2 (Full House)
  5. 排 6 / 柱子 6 → 2 (Hidden Single)
  6. 排 1 / 柱子 9 → 2 (Hidden Single)
  7. 排 9 / 柱子 3 → 2 (Hidden Single)
  8. 排 2 / 柱子 9 → 3 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 3 in b2 => r4c6<>3
  10. Locked Candidates Type 1 (Pointing): 8 in b3 => r49c8<>8
  11. Locked Candidates Type 1 (Pointing): 6 in b7 => r13c2<>6
  12. Locked Candidates Type 2 (Claiming): 5 in c9 => r79c8,r89c7<>5
  13. Naked Triple: 4,5,7 in r4c368 => r4c24<>4, r4c27<>5, r4c2<>7
  14. Hidden Pair: 1,8 in r4c2,r5c1 => r5c1<>7, r5c1<>9
  15. 2-String Kite: 5 in r1c7,r4c3 (connected by r4c8,r6c7) => r1c3<>5
  16. Locked Candidates Type 2 (Claiming): 5 in c3 => r6c2<>5
  17. XY-Wing: 4/9/5 in r7c4,r8c69 => r7c9<>5
  18. 排 7 / 柱子 9 → 7 (Naked Single)
  19. XY-Chain: 5 5- r3c2 -8- r4c2 -1- r5c1 -8- r5c9 -4- r8c9 -5 => r8c2<>5
  20. AIC: 5 5- r1c7 =5= r6c7 =3= r4c7 =8= r4c2 -8- r3c2 -5 => r1c12,r3c8<>5
  21. Locked Pair: 6,8 in r23c8 => r1c78,r9c8<>6
  22. Continuous Nice Loop: 4/5/7/9 7= r9c2 =6= r9c7 =8= r9c9 =5= r8c9 =4= r8c6 -4- r4c6 -7- r4c8 =7= r6c8 -7- r6c2 =7= r9c2 =6 => r5c6,r9c9<>4, r9c2<>5, r46c3<>7, r9c27<>9
  23. Skyscraper: 4 in r4c6,r5c9 (connected by r8c69) => r4c8,r5c4<>4
  24. X-Wing: 4 c48 r69 => r6c23<>4
  25. 排 1 / 柱子 2 → 4 (Hidden Single)
  26. Sue de Coq: r6c78 - {34579} (r6c23 - {579}, r4c7,r5c9 - {348}) => r5c7<>8
  27. 排 5 / 柱子 7 → 9 (Naked Single)
  28. XY-Chain: 6 6- r1c3 -9- r6c3 -5- r4c3 -4- r4c6 -7- r5c6 -6 => r1c6<>6
  29. 排 1 / 柱子 3 → 6 (Hidden Single)
  30. Finned X-Wing: 9 r18 c16 fr8c2 => r9c1<>9
  31. Hidden Pair: 4,9 in r9c48 => r9c4<>5
  32. 排 7 / 柱子 4 → 5 (Hidden Single)
  33. 排 3 / 柱子 2 → 5 (Hidden Single)
  34. 排 4 / 柱子 2 → 8 (Hidden Single)
  35. 排 4 / 柱子 7 → 3 (Naked Single)
  36. 排 5 / 柱子 1 → 1 (Naked Single)
  37. 排 4 / 柱子 4 → 1 (Naked Single)
  38. 排 6 / 柱子 7 → 5 (Naked Single)
  39. 排 5 / 柱子 4 → 6 (Naked Single)
  40. 排 1 / 柱子 7 → 1 (Naked Single)
  41. 排 4 / 柱子 8 → 7 (Naked Single)
  42. 排 6 / 柱子 3 → 9 (Naked Single)
  43. 排 2 / 柱子 4 → 9 (Naked Single)
  44. 排 5 / 柱子 6 → 7 (Naked Single)
  45. 排 1 / 柱子 8 → 5 (Naked Single)
  46. 排 8 / 柱子 7 → 6 (Naked Single)
  47. 排 9 / 柱子 7 → 8 (Full House)
  48. 排 4 / 柱子 6 → 4 (Naked Single)
  49. 排 4 / 柱子 3 → 5 (Full House)
  50. 排 6 / 柱子 4 → 3 (Full House)
  51. 排 9 / 柱子 4 → 4 (Full House)
  52. 排 8 / 柱子 6 → 9 (Full House)
  53. 排 6 / 柱子 8 → 4 (Naked Single)
  54. 排 6 / 柱子 2 → 7 (Full House)
  55. 排 5 / 柱子 3 → 4 (Full House)
  56. 排 2 / 柱子 3 → 7 (Full House)
  57. 排 5 / 柱子 9 → 8 (Full House)
  58. 排 1 / 柱子 6 → 3 (Naked Single)
  59. 排 1 / 柱子 1 → 9 (Full House)
  60. 排 3 / 柱子 6 → 6 (Full House)
  61. 排 9 / 柱子 9 → 5 (Naked Single)
  62. 排 8 / 柱子 9 → 4 (Full House)
  63. 排 9 / 柱子 8 → 9 (Naked Single)
  64. 排 7 / 柱子 8 → 1 (Full House)
  65. 排 7 / 柱子 2 → 9 (Full House)
  66. 排 8 / 柱子 1 → 5 (Naked Single)
  67. 排 8 / 柱子 2 → 1 (Full House)
  68. 排 9 / 柱子 2 → 6 (Full House)
  69. 排 9 / 柱子 1 → 7 (Full House)
  70. 排 2 / 柱子 1 → 8 (Naked Single)
  71. 排 2 / 柱子 8 → 6 (Full House)
  72. 排 3 / 柱子 8 → 8 (Full House)
  73. 排 3 / 柱子 1 → 3 (Full House)
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