1-5 BBAAD
6-10 ACACD
11-15 BCABD
16-20 BCCAC
21-25 ABDCB
26-30 A EDCB
31-35 CCADB
36-40 ABACD
41-45 DADAB
46-50 EDFCA
51-55 ABDBD
56-60 ABCBB
61-65 CADAC