B passes the ball to C, who is running forward.
When B has passed to C, B runs behind C and continues in slow run forward.
C passes the ball to A, who has started her run at the same time as C.
After the passing C runs behind A and continues fast in A's lane.
A passes to B and runs behind B and so on...

In order that the players don't crowd the can in their run use lines in the hall, for example the rear lines on a badminton court.
None of the players must run against the middle before the ball is received and passed on again.
In the beginning the distance between the 2 players farthest out must not exceed 10 m.