1 handler, 3 cutters setup in a basic horizontal
2 sets up an open slant, 3 and 4 "sweep" a clearing cut out
2 slants, 3 and 4 strike, handler 1 hits the open slant.
4 comes under, 2 hits the open under, 3 continues strike, 1 and 5 move to reset drill cycle.
3 comes under, 4 hits the open under, 2 moves to reset drill.
4 moves to reset drill, 3 returns to handler stack.
repeat the cycle!