1-10: ADAAB CACBA
11-20: BBBCC CDCAB
21-30: DABAC CBABB
31-36: BCDCC
37-40:AB BC AD AD BD
41-45:AC ACD ABCD ABC ABCD
46-50BC BD AC ABD AB
1-10: ADAAB CACBA
11-20: BBBCC CDCAB
21-30: DABAC CBABB
31-36: BCDCC
37-40:AB BC AD AD BD
41-45:AC ACD ABCD ABC ABCD
46-50BC BD AC ABD AB