BM 6 ( ( ddddddddddddddd 2 dddddd 2 2 dddddd 2 2 2 ddd 2 ddddddddd 2 dddddd 2 dddddd 2 dddddd 2 2 dddddd 2 2 ddddddddddddddddddddd 2 2 2 2 2 2