A and B passes the ball between each other.
After a certain time, for instance when A throws the ball to B, C moves against the center and B tries to pass the ball to her, but D must move forward and steal the ball.
D passes the ball to A and moves back to her former position, while C runs behind the opposite line.

A and B passes the ball between each other.
On a certain time, for instance when B throws the ball to A, E moves against the center and A tries to pass the ball to her, but F must move forward and steal the ball.
F passes the ball to B and moves back to her former position, while E runs behind the opposite line. A and B passes the ball and so on.....

The player passing the ball to the wing must keep an eye to the stealing player.
If she moves too soon, the pass must not be made.
The stealing player must take care not to run into the wing but take a direction against the ball.
The wing must time her approach so that the ball is received just in front of the stealing player.

Remember to change positions.