1-5 C D A B A
6-10 C D B B A
11-15 A C B B D
16-20 C D B A B
21-25 A D A C D
26-30 C C B D A
31-35 C D B A C
36-40 A D D B A
41-45 A D A C B
46-50 A B D C B
51-55 D B C D A
