解决方案 數獨專家 #3312839546741

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

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 5 / 柱子 3 → 8 (Naked Single)
  2. 排 5 / 柱子 7 → 4 (Naked Single)
  3. 排 5 / 柱子 8 → 3 (Naked Single)
  4. 排 5 / 柱子 2 → 6 (Full House)
  5. 排 3 / 柱子 1 → 6 (Hidden Single)
  6. 排 6 / 柱子 4 → 6 (Hidden Single)
  7. 排 9 / 柱子 9 → 6 (Hidden Single)
  8. 排 9 / 柱子 8 → 1 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 8 in b1 => r2c79<>8
  10. Locked Candidates Type 1 (Pointing): 1 in b6 => r6c6<>1
  11. Locked Candidates Type 1 (Pointing): 2 in b9 => r8c16<>2
  12. Locked Candidates Type 2 (Claiming): 7 in r9 => r7c12,r8c13<>7
  13. Naked Triple: 4,7,9 in r368c6 => r24c6<>4, r27c6<>7, r2c6<>9
  14. Hidden Pair: 2,3 in r1c5,r2c6 => r1c5<>5, r1c5<>9
  15. 2-String Kite: 7 in r3c6,r7c9 (connected by r7c4,r8c6) => r3c9<>7
  16. Locked Candidates Type 2 (Claiming): 7 in r3 => r2c4<>7
  17. XY-Wing: 4/5/7 in r4c3,r69c2 => r9c3<>7
  18. 排 9 / 柱子 3 → 9 (Naked Single)
  19. XY-Chain: 7 7- r2c7 -2- r2c6 -3- r1c5 -2- r9c5 -4- r9c2 -7 => r2c2<>7
  20. AIC: 7 7- r2c7 -2- r2c6 =2= r7c6 =1= r7c4 =7= r7c9 -7 => r12c9,r8c7<>7
  21. Locked Pair: 2,8 in r8c78 => r78c9,r8c1<>8
  22. Continuous Nice Loop: 4/5/7/9 8= r2c1 =9= r2c4 -9- r8c4 =9= r8c6 -9- r6c6 -4- r6c2 =4= r9c2 =7= r9c1 =2= r7c1 =8= r2c1 =9 => r6c5,r9c1<>4, r27c1<>5, r2c1<>7, r3c46<>9
  23. Skyscraper: 4 in r6c6,r9c5 (connected by r69c2) => r4c5,r8c6<>4
  24. X-Wing: 4 r48 c14 => r23c4<>4
  25. 排 2 / 柱子 9 → 4 (Hidden Single)
  26. Sue de Coq: r78c4 - {14579} (r23c4 - {579}, r7c6,r9c5 - {124}) => r7c5<>2
  27. 排 7 / 柱子 5 → 5 (Naked Single)
  28. XY-Chain: 3 3- r1c5 -2- r9c5 -4- r9c2 -7- r9c1 -2- r7c1 -8- r7c2 -3 => r1c2<>3
  29. 排 1 / 柱子 5 → 3 (Hidden Single)
  30. 排 2 / 柱子 6 → 2 (Naked Single)
  31. 排 4 / 柱子 5 → 8 (Naked Single)
  32. 排 2 / 柱子 7 → 7 (Naked Single)
  33. 排 7 / 柱子 6 → 1 (Naked Single)
  34. 排 4 / 柱子 8 → 5 (Naked Single)
  35. 排 6 / 柱子 5 → 9 (Naked Single)
  36. 排 4 / 柱子 6 → 3 (Naked Single)
  37. 排 7 / 柱子 4 → 7 (Naked Single)
  38. 排 4 / 柱子 3 → 7 (Naked Single)
  39. 排 3 / 柱子 5 → 4 (Naked Single)
  40. 排 9 / 柱子 5 → 2 (Full House)
  41. 排 6 / 柱子 6 → 4 (Naked Single)
  42. 排 4 / 柱子 4 → 1 (Full House)
  43. 排 4 / 柱子 1 → 4 (Full House)
  44. 排 6 / 柱子 2 → 5 (Full House)
  45. 排 3 / 柱子 4 → 5 (Naked Single)
  46. 排 7 / 柱子 9 → 3 (Naked Single)
  47. 排 8 / 柱子 6 → 9 (Naked Single)
  48. 排 3 / 柱子 6 → 7 (Full House)
  49. 排 2 / 柱子 4 → 9 (Full House)
  50. 排 8 / 柱子 4 → 4 (Full House)
  51. 排 9 / 柱子 1 → 7 (Naked Single)
  52. 排 9 / 柱子 2 → 4 (Full House)
  53. 排 8 / 柱子 1 → 5 (Naked Single)
  54. 排 1 / 柱子 2 → 7 (Naked Single)
  55. 排 3 / 柱子 9 → 8 (Naked Single)
  56. 排 3 / 柱子 8 → 9 (Full House)
  57. 排 7 / 柱子 2 → 8 (Naked Single)
  58. 排 2 / 柱子 2 → 3 (Full House)
  59. 排 7 / 柱子 1 → 2 (Full House)
  60. 排 8 / 柱子 3 → 3 (Full House)
  61. 排 2 / 柱子 3 → 5 (Full House)
  62. 排 2 / 柱子 1 → 8 (Full House)
  63. 排 1 / 柱子 1 → 9 (Full House)
  64. 排 8 / 柱子 9 → 7 (Naked Single)
  65. 排 6 / 柱子 9 → 1 (Naked Single)
  66. 排 1 / 柱子 9 → 5 (Full House)
  67. 排 6 / 柱子 7 → 8 (Full House)
  68. 排 1 / 柱子 8 → 2 (Naked Single)
  69. 排 1 / 柱子 7 → 1 (Full House)
  70. 排 8 / 柱子 7 → 2 (Full House)
  71. 排 8 / 柱子 8 → 8 (Full House)
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