0.0 -5.0 1.0 0.0 5.0 1.0 1.0 0.0 0.0 1.0 1.0 1.0 2.0 2.0 1.0 1.0 1.0 1.0 2.0 2.0 1.0 -1.0 1.0 1.0 -2.0 2.0 1.0 -1.0 1.0 1.0 -1.0 1.0 1.0 1.0 1.0 0.0 L1 L2 l L1 L2 P Q r P Q r2 r l v r2 sp r2 cl r2