解决方案 數獨專家 #2415694783241

2
7
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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 → 6 (Naked Single)
  2. 排 7 / 柱子 5 → 8 (Naked Single)
  3. 排 8 / 柱子 5 → 9 (Naked Single)
  4. 排 2 / 柱子 5 → 3 (Full House)
  5. 排 4 / 柱子 4 → 3 (Hidden Single)
  6. 排 1 / 柱子 7 → 3 (Hidden Single)
  7. 排 9 / 柱子 1 → 3 (Hidden Single)
  8. 排 8 / 柱子 1 → 1 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 6 in b3 => r79c8<>6
  10. Locked Candidates Type 1 (Pointing): 5 in b7 => r16c2<>5
  11. Locked Candidates Type 1 (Pointing): 1 in b8 => r6c4<>1
  12. Locked Candidates Type 2 (Claiming): 2 in c1 => r1c23,r2c3,r3c2<>2
  13. Naked Triple: 2,4,8 in r6c247 => r6c38<>2, r6c68<>8, r6c8<>4
  14. Hidden Pair: 5,9 in r5c9,r6c8 => r5c9<>4, r5c9<>7
  15. 2-String Kite: 2 in r6c7,r9c3 (connected by r4c3,r6c2) => r9c7<>2
  16. Locked Candidates Type 2 (Claiming): 2 in c7 => r4c8<>2
  17. XY-Wing: 7/8/2 in r2c14,r3c6 => r3c1<>2
  18. 排 3 / 柱子 1 → 4 (Naked Single)
  19. XY-Chain: 2 2- r2c1 -8- r5c1 -5- r5c9 -9- r6c8 -5- r7c8 -2 => r2c8<>2
  20. AIC: 2 2- r7c8 -5- r6c8 =5= r6c3 =1= r4c3 =2= r9c3 -2 => r7c2,r9c89<>2
  21. Locked Pair: 5,6 in r78c2 => r19c2,r9c3<>6
  22. Continuous Nice Loop: 2/4/7/8 5= r1c1 =2= r2c1 =8= r2c4 -8- r6c4 -4- r6c2 =4= r4c2 -4- r4c8 =4= r1c8 =6= r1c3 =5= r1c1 =2 => r1c8<>2, r46c7<>4, r1c38<>7, r1c1,r5c4<>8
  23. Skyscraper: 8 in r5c1,r6c4 (connected by r2c14) => r5c6,r6c2<>8
  24. X-Wing: 8 c26 r14 => r4c78<>8
  25. 排 9 / 柱子 8 → 8 (Hidden Single)
  26. Sue de Coq: r4c23 - {12478} (r4c78 - {247}, r5c1,r6c3 - {158}) => r5c3<>5
  27. 排 5 / 柱子 3 → 7 (Naked Single)
  28. XY-Chain: 2 2- r1c1 -5- r1c3 -6- r2c3 -9- r3c2 -7- r3c6 -2 => r1c6<>2
  29. 排 3 / 柱子 6 → 2 (Hidden Single)
  30. 排 7 / 柱子 8 → 2 (Hidden Single)
  31. 排 6 / 柱子 8 → 5 (Hidden Single)
  32. 排 5 / 柱子 9 → 9 (Naked Single)
  33. 排 6 / 柱子 3 → 1 (Naked Single)
  34. 排 5 / 柱子 6 → 6 (Naked Single)
  35. 排 4 / 柱子 3 → 2 (Naked Single)
  36. 排 6 / 柱子 6 → 9 (Naked Single)
  37. 排 5 / 柱子 4 → 4 (Naked Single)
  38. 排 8 / 柱子 6 → 7 (Naked Single)
  39. 排 4 / 柱子 7 → 7 (Naked Single)
  40. 排 6 / 柱子 2 → 4 (Naked Single)
  41. 排 9 / 柱子 3 → 9 (Naked Single)
  42. 排 5 / 柱子 7 → 8 (Naked Single)
  43. 排 5 / 柱子 1 → 5 (Full House)
  44. 排 4 / 柱子 2 → 8 (Full House)
  45. 排 6 / 柱子 4 → 8 (Naked Single)
  46. 排 6 / 柱子 7 → 2 (Full House)
  47. 排 4 / 柱子 8 → 4 (Full House)
  48. 排 4 / 柱子 6 → 1 (Full House)
  49. 排 1 / 柱子 6 → 8 (Full House)
  50. 排 2 / 柱子 4 → 7 (Full House)
  51. 排 9 / 柱子 7 → 6 (Naked Single)
  52. 排 8 / 柱子 7 → 4 (Full House)
  53. 排 2 / 柱子 3 → 6 (Naked Single)
  54. 排 1 / 柱子 3 → 5 (Full House)
  55. 排 9 / 柱子 2 → 2 (Naked Single)
  56. 排 1 / 柱子 1 → 2 (Naked Single)
  57. 排 2 / 柱子 1 → 8 (Full House)
  58. 排 1 / 柱子 2 → 7 (Naked Single)
  59. 排 3 / 柱子 2 → 9 (Full House)
  60. 排 3 / 柱子 8 → 7 (Full House)
  61. 排 1 / 柱子 8 → 6 (Naked Single)
  62. 排 2 / 柱子 8 → 9 (Full House)
  63. 排 2 / 柱子 9 → 2 (Full House)
  64. 排 1 / 柱子 9 → 4 (Full House)
  65. 排 9 / 柱子 4 → 1 (Naked Single)
  66. 排 7 / 柱子 4 → 6 (Full House)
  67. 排 9 / 柱子 9 → 7 (Full House)
  68. 排 8 / 柱子 9 → 5 (Naked Single)
  69. 排 7 / 柱子 9 → 1 (Full House)
  70. 排 7 / 柱子 2 → 5 (Full House)
  71. 排 8 / 柱子 2 → 6 (Full House)
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