1-10 CCACA CAAAA 11-20 CCCBA BAAAB
21-30 CABCA BCACB 31-40 ACBBB CABBB
41-50 BBBBC CBCBA 51-60 ABCAB CCCBC
61-70 CCBBB BCCBB 71-80 CCBBA ACCBB(https://www.daowen.com)
81-90 BBBBB CBBAB 91-100 CBAAC CCCCA
101-110 BCBCC BBABB 111-117 CACBC BA
