BM6(H p  d d d d ddddddddddddddd(x(x(x(xd d ddd(x(x(xd d ddd(x(x(xd ddd(x(x(xd ddd(x(x(xd d d ddd(x(x(x(x(x(x(x(x(x(x(xd d d d ddd(x(x(xd ddd(x(x(xd ddddddddd(x(x(xd d d d d d ddd(x(x(x(x