非标准答案或正确答案。
上午
1-20 AAAB DCBB BDDB CCAA ADCB
21-40CCAD CAAC ACCD ABAC DCBB
41-50 BC BD AD ABC ACD ABD AC BD BC ABD
51-60 AC ABC ABD ABD BC BC CD CD CD AB
61-70 BD AD BC AC AC BC BC ABD BD AD

下午
1-20 DCBA CDCD CDDC BADB DACA
21-40 DBAD CACA CDAB DDAB DDDD
41-50 ACD AD BD ABC ABD CD BD BD ABD BD
51-60 AC BC AB BCD AC ACD BD BC AC CD
61-70 AC ABC BC AD ABD CD ABC CD ABC CD

希望大虾来公布正确答案