Intermediate - 32nd Note Double Bass

The ? on the bass drum are 32nd notes.

R   |x---x---x---x---|x---x---x---x---|
S   |--------o-------|----o---o-------|
B   |o-o-o-o-----o-o-|---1---1--o-o-o-|
B2  |-----o-o--------|---2---2---o-o-o|
    (1 + 2 + 3 + 4 + |1 + 2 + 3 + 4 + )