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

这个数独谜题有 88 个步骤,它使用 Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Hidden Pair, undefined, Skyscraper, Naked Pair, Naked Triple, Empty Rectangle, Naked Single, Finned Swordfish, Swordfish, Sue de Coq, Discontinuous Nice Loop, AIC, Full House 技术解决。

尝试解决

解决步骤:

  1. 排 2 / 柱子 5 → 2 (Hidden Single)
  2. 排 1 / 柱子 9 → 4 (Hidden Single)
  3. 排 4 / 柱子 9 → 3 (Hidden Single)
  4. 排 2 / 柱子 1 → 5 (Hidden Single)
  5. 排 1 / 柱子 8 → 2 (Hidden Single)
  6. 排 3 / 柱子 8 → 3 (Hidden Single)
  7. Locked Candidates Type 1 (Pointing): 2 in b7 => r5c2<>2
  8. Locked Candidates Type 2 (Claiming): 6 in r2 => r3c7<>6
  9. Hidden Pair: 2,8 in r7c7,r9c9 => r7c7,r9c9<>1, r7c7<>5, r9c9<>6, r9c9<>9
  10. Locked Candidates Type 1 (Pointing): 6 in b9 => r8c56<>6
  11. X-Wing: 5 c57 r68 => r6c4,r8c6<>5
  12. Skyscraper: 8 in r1c1,r3c5 (connected by r4c15) => r1c46,r3c3<>8
  13. Locked Candidates Type 1 (Pointing): 8 in b2 => r3c7<>8
  14. Locked Candidates Type 1 (Pointing): 8 in b3 => r2c3<>8
  15. Naked Pair: 1,7 in r2c8,r3c7 => r2c79<>1, r2c7<>7
  16. Naked Triple: 5,6,7 in r1c246 => r1c13<>7
  17. Empty Rectangle: 1 in b9 (r2c38) => r8c3<>1
  18. W-Wing: 1/7 in r2c3,r5c2 connected by 7 in r25c8 => r3c2,r456c3<>1
  19. Sashimi X-Wing: 7 c28 r25 fr1c2 fr3c2 => r2c3<>7
  20. 排 2 / 柱子 3 → 1 (Naked Single)
  21. 排 2 / 柱子 8 → 7 (Naked Single)
  22. 排 3 / 柱子 7 → 1 (Naked Single)
  23. Finned Swordfish: 1 r468 c169 fr4c4 fr6c4 => r5c6<>1
  24. XY-Chain: 7 7- r5c2 -1- r7c2 -2- r7c7 -8- r2c7 -6- r8c7 -5- r6c7 -7 => r6c13<>7
  25. Naked Triple: 1,4,9 in r6c139 => r6c4<>1, r6c4<>4, r6c45<>9
  26. 排 4 / 柱子 4 → 4 (Hidden Single)
  27. Swordfish: 1 r468 c169 => r5c9,r7c16,r9c16<>1
  28. Sue de Coq: r46c1 - {14789} (r179c1 - {3489}, r5c2 - {17}) => r45c3<>7, r8c1<>3, r8c1<>9
  29. XY-Chain: 6 6- r1c2 -7- r5c2 -1- r7c2 -2- r7c7 -8- r2c7 -6- r8c7 -5- r6c7 -7- r6c4 -6 => r1c4<>6
  30. XY-Wing: 6/7/5 in r16c4,r6c5 => r5c4<>5
  31. Discontinuous Nice Loop: 7/8/9 r4c6 =1= r4c1 =8= r1c1 =3= r1c3 -3- r8c3 =3= r8c6 =1= r4c6 => r4c6<>7, r4c6<>8, r4c6<>9
  32. 排 4 / 柱子 6 → 1 (Naked Single)
  33. Sue de Coq: r5c46 - {5789} (r5c39 - {289}, r6c45 - {567}) => r5c8<>9
  34. Locked Candidates Type 1 (Pointing): 9 in b6 => r8c9<>9
  35. Sue de Coq: r7c46 - {13589} (r7c27 - {128}, r8c56 - {359}) => r9c46<>9, r7c8<>1
  36. Sue de Coq: r789c1 - {13479} (r14c1 - {3789}, r79c2 - {124}) => r6c1<>9
  37. XY-Chain: 1 1- r7c2 -2- r7c7 -8- r2c7 -6- r8c7 -5- r7c8 -9- r9c8 -1 => r9c2<>1
  38. XY-Chain: 6 6- r6c4 -7- r6c7 -5- r8c7 -6- r2c7 -8- r7c7 -2- r9c9 -8- r9c6 -6 => r9c4<>6
  39. 排 9 / 柱子 6 → 6 (Hidden Single)
  40. 排 1 / 柱子 2 → 6 (Hidden Single)
  41. Locked Candidates Type 1 (Pointing): 7 in b1 => r3c46<>7
  42. AIC: 3/8 8- r1c1 =8= r4c1 -8- r4c5 =8= r3c5 -8- r3c6 -9- r8c6 -3- r8c3 =3= r1c3 -3 => r1c1<>3, r1c3<>8
  43. 排 1 / 柱子 1 → 8 (Naked Single)
  44. 排 1 / 柱子 3 → 3 (Naked Single)
  45. 排 7 / 柱子 1 → 3 (Hidden Single)
  46. 排 8 / 柱子 6 → 3 (Hidden Single)
  47. Naked Triple: 4,7,9 in r368c3 => r45c3<>9
  48. Skyscraper: 9 in r4c1,r8c3 (connected by r48c5) => r6c3,r9c1<>9
  49. 排 6 / 柱子 3 → 4 (Naked Single)
  50. 排 9 / 柱子 1 → 4 (Naked Single)
  51. 排 3 / 柱子 3 → 7 (Naked Single)
  52. 排 3 / 柱子 2 → 4 (Full House)
  53. 排 6 / 柱子 1 → 1 (Naked Single)
  54. 排 9 / 柱子 2 → 2 (Naked Single)
  55. 排 8 / 柱子 3 → 9 (Naked Single)
  56. 排 5 / 柱子 2 → 7 (Naked Single)
  57. 排 7 / 柱子 2 → 1 (Full House)
  58. 排 8 / 柱子 1 → 7 (Full House)
  59. 排 4 / 柱子 1 → 9 (Full House)
  60. 排 6 / 柱子 9 → 9 (Naked Single)
  61. 排 9 / 柱子 9 → 8 (Naked Single)
  62. 排 8 / 柱子 5 → 5 (Naked Single)
  63. 排 4 / 柱子 5 → 8 (Naked Single)
  64. 排 5 / 柱子 9 → 2 (Naked Single)
  65. 排 2 / 柱子 9 → 6 (Naked Single)
  66. 排 2 / 柱子 7 → 8 (Full House)
  67. 排 8 / 柱子 9 → 1 (Full House)
  68. 排 8 / 柱子 7 → 6 (Full House)
  69. 排 7 / 柱子 7 → 2 (Naked Single)
  70. 排 9 / 柱子 4 → 1 (Naked Single)
  71. 排 9 / 柱子 8 → 9 (Full House)
  72. 排 7 / 柱子 8 → 5 (Full House)
  73. 排 5 / 柱子 8 → 1 (Full House)
  74. 排 6 / 柱子 5 → 6 (Naked Single)
  75. 排 3 / 柱子 5 → 9 (Full House)
  76. 排 4 / 柱子 3 → 2 (Naked Single)
  77. 排 4 / 柱子 7 → 7 (Full House)
  78. 排 5 / 柱子 3 → 8 (Full House)
  79. 排 6 / 柱子 7 → 5 (Full House)
  80. 排 6 / 柱子 4 → 7 (Full House)
  81. 排 5 / 柱子 4 → 9 (Naked Single)
  82. 排 5 / 柱子 6 → 5 (Full House)
  83. 排 3 / 柱子 6 → 8 (Naked Single)
  84. 排 3 / 柱子 4 → 6 (Full House)
  85. 排 1 / 柱子 4 → 5 (Naked Single)
  86. 排 7 / 柱子 4 → 8 (Full House)
  87. 排 1 / 柱子 6 → 7 (Full House)
  88. 排 7 / 柱子 6 → 9 (Full House)
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