Improve pass lines

Four squares of aproximately 10 x 10 meters are prepared, They will be separated by a central line
On each zone will be an offensive player and a defensive one at the limits
Another attacker will play at the central line
The objective of the game is to maintain the ball thru the continuos search for passing lines that make it harder to lose the ball
The defenders will only be abble to try to get the ball if it is at their defensive zone