X starts on offence 1 X player aways has to be a high man above the top of circle. High X can shoot of pass but cannot skate in with puck.

O start on Defence. O cannot attack X at top of circle.

O must create a turnover by passing to next O in-line.

Once puck is passed to O in-line the three offensive X are done and cannot attack O

Three O then attach the Two X waiting on Defence.