网友版答案1：
CABDC DCCBC DBCDD DCCAB DACBA DBCBD BDCCA AADAC
A类
125.160.0.0
125.191.255.255
0.15.20.7
125.160.0.1
32 221.89.23.0 0 .0.0.255 221.89.23.0 255 .255.255.0 pool 5 30
11-15 offer 192.168.0.100 192.168.0.180 port 192.168.0.1
16 -20 24 ip http://mai mail.ti.edu.cn
网友版答案2：
CABDD DCCBC DBCDD BCCBD DACBA DCCBC BBAAA CBDAC