Flip the coin
team 2 has 6 shields possible placements but only enough to power 3 of them, team 1 has a laser pointed at evry on of then of the laser hits the shiled team 1 dies if it doesnt team 2 dies. to make this map balanced you will have to make an agreement to not look as there is no way to prevent team 1 to notice the diffrence when placing the shields