4 and 5 start on the weak side low post block. As 1 dribbles toward the wing, 3 clears out by running the baseline.

2 makes a v-cut to receive a reversal pass from 1.
 

2 swings to 3 coming off the double screen, or 4 curling around a screen from 5.
 

To change the action, have 3 and 4 switch roles. 3 curls around the double screen and 4 releases to the perimeter.
 

2 swings to 4 releasing to the perimeter or 3 curling around a screen from 5.