Shooter 1 and 9 start from both ends, passers are on the sidelines and in the centre circle, extra players are at the outlet positions.
The passing sequence for 1 is 1-2-1-3-1-4-1 for a layup, 4 rebounds and is the next shooter, 1 goes to the outlet line, passers 2 and 3 move up one position (2 replaces 3 who replaces 4).
9 does the same on the other side, 7 rebounds and is the next shooter.
Start with two balls, work up to four balls.
Option - on a missed layup, everybody gets on a baseline, run a down and back, resume.