A runs forward and (if the exercise is running) receives the ball from T2 and passes it along to B, who is running forward.
A runs behind B's line.
B runs diagonally behind C's line and while doing this passes the ball to T1.
C runs behind D's line and while doing this receives the ball from T1 and passes to D.
D runs diagonally behind E's line and while doing this receives the ball from C and passes to T2.
E runs behind.....