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asnewchien@gmail.com (david)

d097. 10038 - Jolly Jumpers -- UVa 10038 | From: [111.246.62.91] | 發表日期: 2017-10-05 13:24

4 2 5 6 4

2, 5 = 3
5, 6 = 1
6, 4 = 2

(3, 1, 2) 也符合

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