1~5????ACDAB
6~10???CABDB
11~15??CDCBD
16~20??BDADB
21~25??DADAC
26~30??BDCAB
31~35??ABDBA
35~40??CAADC
41~44??DBCB
45~47??AAC
48~51??BDAB
52~56??CDCD
57~60??BCCB
61~65??DCCEF