答案
1----5 ACCCB 6-----10 BBBAA 11-----15 DCADB 16----20 BDCAA
21---25 CBBAD 26----30 ACBCC 31----35 DCABC 36---40 CCADA
41---45 CBCDA 46---50 DBDCC 51---55 ACCDC 56----60 ACBDD
61----65 ABDDD 66----70 BCAAA 71---75 AAACB 76----80 DCBBA
81----85 BCABC 86----90 BCCBB 91----95 BDDAB 96----100 ABCAA
