1.0,0.0,500.0,0.0 1.0,0.0,500.0,0.0 1.0,1.0,500.0,1.0 1.0,1.0,500.0,1.0 1.0,1.0,500.0,1.0 1.0,1.0,500.0,1.0 1.0,0.0,500.0,0.0 1.0,1.0,500.0,1.0 1.0,0.0,500.0,0.0 1.0,1.0,500.0,1.0 1.0,0.0,500.0,0.0 1.0,1.0,500.0,1.0 1.0,1.0,500.0,1.0 1.0,1.0,500.0,1.0 1.0,1.0,500.0,1.0 1.0,1.0,500.0,1.0 1.0,1.0,500.0,1.0 1.0,1.0,500.0,1.0 1.0,1.0,500.0,1.0