It's like when 12 of us in year 11 have a game of football against the year 8's and there's like 40 of them. When you're running with the ball there's 8 of them running after you
All the kids have to do is 2000 year old military tactics. Pack together, one group advance towards the first leg, the second group towards the second. There would be some casualties in the front line, but if they pack well together, they'll unbalance the man and the battle is over, they can do whatever they want.