问题描述：
问题解答：
1- 5 ccdaa
6-10 cbacd
11-15 dccca
16 d
17
18 500
19 RS-four
20 promotional
21 its grand opening
22 a clear conscience
23 advertisers
24 question things
25-29 bbcbd
30-34 bccba
35-39 dddab
40-44 acdaa
45-49 cabca
50-54 caaaa
55-59 abdba
60-64 acbdd
65-69 bbcdc
70-74 abdaa
75-79 ccbdb
80-84 defab
谁看看这是不是答案?
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