1 (best ballhandler) makes the inbounds pass, 2 and 3 at the elbows, 4 and 5 behind them in a box shape, 4 and 5 set backscreens, 2 and 3 take one or two steps towards the ball then break upcourt for a possible baseball pass from 1.
2
Otherwise 1 passes to 4 or 5, who immediately get the ball back to 1.