21-25 CCAAD 26-30 BACAB 31-35 CBBCB 36-40 BADAA
41-45 ACBCD 46-50 DCCAA 51-55 CCBCA 56-60 BAABB
61-65 CBAAA 66-70 CABAA 71-75 ABBBC 76-80 DBACA
81-85 DDDDB 86-90 ABBCB 91-95 ABBBC 95-100 BDCDD ? 16)?