解决方案 數獨專家 #1426718593441

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9
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这个数独谜题有 71 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 3 / 柱子 5 → 7 (Naked Single)
  2. 排 7 / 柱子 5 → 9 (Naked Single)
  3. 排 8 / 柱子 5 → 1 (Naked Single)
  4. 排 2 / 柱子 5 → 3 (Full House)
  5. 排 4 / 柱子 6 → 3 (Hidden Single)
  6. 排 1 / 柱子 3 → 3 (Hidden Single)
  7. 排 9 / 柱子 9 → 3 (Hidden Single)
  8. 排 8 / 柱子 9 → 2 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 7 in b1 => r79c2<>7
  10. Locked Candidates Type 1 (Pointing): 2 in b8 => r6c6<>2
  11. Locked Candidates Type 1 (Pointing): 6 in b9 => r16c8<>6
  12. Locked Candidates Type 2 (Claiming): 4 in c9 => r1c78,r2c7,r3c8<>4
  13. Naked Triple: 4,8,9 in r6c368 => r6c27<>4, r6c2<>8, r6c24<>9
  14. Hidden Pair: 1,6 in r5c1,r6c2 => r5c1<>5, r5c1<>8
  15. 2-String Kite: 4 in r6c3,r9c7 (connected by r4c7,r6c8) => r9c3<>4
  16. Locked Candidates Type 2 (Claiming): 4 in c3 => r4c2<>4
  17. XY-Wing: 5/9/4 in r2c69,r3c4 => r3c9<>4
  18. 排 3 / 柱子 9 → 8 (Naked Single)
  19. XY-Chain: 4 4- r2c9 -9- r5c9 -6- r5c1 -1- r6c2 -6- r7c2 -4 => r2c2<>4
  20. AIC: 4 4- r7c2 -6- r6c2 =6= r6c7 =2= r4c7 =4= r9c7 -4 => r7c8,r9c12<>4
  21. Locked Pair: 6,7 in r78c8 => r19c8,r9c7<>7
  22. Continuous Nice Loop: 4/5/8/9 8= r1c2 =7= r1c7 =6= r1c9 =4= r2c9 =9= r2c6 -9- r6c6 -8- r6c8 =8= r4c8 -8- r4c2 =8= r1c2 =7 => r1c2<>4, r1c27<>5, r46c3<>8, r1c9,r5c6<>9
  23. Skyscraper: 9 in r5c9,r6c6 (connected by r2c69) => r5c4,r6c8<>9
  24. X-Wing: 9 c48 r14 => r4c23<>9
  25. 排 9 / 柱子 2 → 9 (Hidden Single)
  26. Sue de Coq: r4c78 - {24589} (r4c23 - {458}, r5c9,r6c7 - {269}) => r5c7<>6
  27. 排 5 / 柱子 7 → 5 (Naked Single)
  28. XY-Chain: 4 4- r1c9 -6- r1c7 -7- r2c7 -1- r3c8 -5- r3c4 -4 => r1c4<>4
  29. 排 3 / 柱子 4 → 4 (Hidden Single)
  30. 排 7 / 柱子 2 → 4 (Hidden Single)
  31. 排 6 / 柱子 2 → 6 (Hidden Single)
  32. 排 5 / 柱子 1 → 1 (Naked Single)
  33. 排 6 / 柱子 7 → 2 (Naked Single)
  34. 排 5 / 柱子 4 → 7 (Naked Single)
  35. 排 4 / 柱子 7 → 4 (Naked Single)
  36. 排 6 / 柱子 4 → 1 (Naked Single)
  37. 排 5 / 柱子 6 → 8 (Naked Single)
  38. 排 8 / 柱子 4 → 5 (Naked Single)
  39. 排 4 / 柱子 3 → 5 (Naked Single)
  40. 排 6 / 柱子 8 → 8 (Naked Single)
  41. 排 9 / 柱子 7 → 1 (Naked Single)
  42. 排 5 / 柱子 3 → 9 (Naked Single)
  43. 排 5 / 柱子 9 → 6 (Full House)
  44. 排 4 / 柱子 8 → 9 (Full House)
  45. 排 6 / 柱子 6 → 9 (Naked Single)
  46. 排 6 / 柱子 3 → 4 (Full House)
  47. 排 4 / 柱子 2 → 8 (Full House)
  48. 排 4 / 柱子 4 → 2 (Full House)
  49. 排 1 / 柱子 4 → 9 (Full House)
  50. 排 2 / 柱子 6 → 5 (Full House)
  51. 排 9 / 柱子 3 → 7 (Naked Single)
  52. 排 8 / 柱子 3 → 8 (Full House)
  53. 排 2 / 柱子 7 → 7 (Naked Single)
  54. 排 1 / 柱子 7 → 6 (Full House)
  55. 排 9 / 柱子 8 → 4 (Naked Single)
  56. 排 1 / 柱子 9 → 4 (Naked Single)
  57. 排 2 / 柱子 9 → 9 (Full House)
  58. 排 1 / 柱子 8 → 5 (Naked Single)
  59. 排 3 / 柱子 8 → 1 (Full House)
  60. 排 3 / 柱子 2 → 5 (Full House)
  61. 排 1 / 柱子 2 → 7 (Naked Single)
  62. 排 2 / 柱子 2 → 1 (Full House)
  63. 排 2 / 柱子 1 → 4 (Full House)
  64. 排 1 / 柱子 1 → 8 (Full House)
  65. 排 9 / 柱子 6 → 2 (Naked Single)
  66. 排 7 / 柱子 6 → 7 (Full House)
  67. 排 9 / 柱子 1 → 5 (Full House)
  68. 排 8 / 柱子 1 → 6 (Naked Single)
  69. 排 7 / 柱子 1 → 2 (Full House)
  70. 排 7 / 柱子 8 → 6 (Full House)
  71. 排 8 / 柱子 8 → 7 (Full House)
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