Algodoo

In zero legs, the marble will get their teams decided.
Once ALL of the marbles have finished the bowl, press "1" to start the one leg.
In the one leg marbles will race in the teams.
The last team to have ALL of thier members finish goes to the two leg.
Press "2" if the red team LOST and "3" if the blue team LOST.
In the two leg, the marbles on the losing team race, and the last two to finish get eliminated.