1-5 CADAA
6-10 DBAAD
11-15 CBDBA
16-20 ABCAA
21-25 BCEFC
26-30 DABFE
31-35 CDABB
36-40 ACABD
41-45 CADCA
46-50 DCEAF
51-55 BCBDB
56-60 BCDAD
61-65 BCABC