A runs 1-3 steps forward and passes the ball backwards to B.
B runs 1-3 steps forward and passes diagonally to D.
D runs 1-3 steps forward and passes backward to C. C runs 1-3 steps forward and passes diagonally to A....

All players goes backward to starting position after the throw.
The direction of the throws can be turned, so that the ball moves from B to A, A to C, C to D and D to B.