2 50
D D B C A D D C C B D B C A D B B C C B C C C B D A A B D B B C D D D D A B A A A A A B A A B C B C 
A D B B A D B C C B C D D B A C C A A A B B D D A C C C C D A D B C D B D B D A B C B A D A C A B C