28 50
D D A A D C C D C A B D B D A A B D D B D C B B B A A D A A A B B C C C C D C A A C B B B A C A D C 
C B B C B C D D D B A A A B B A A A A C C A D B C B C C A D A D C C C B A D A C D B B B D D D C D B