3.0 0.0 -0.5 1.0 1.0 0.0 0.0 3.0 0.2 3.0 0.0 1.5 1.0 1.0 1.0 0.0 3.0 0.8 0.0 0.4 0.8 0.2 0.6 1.0 0 3 1 4 2 5 6 0 1 2 3 4 5 3 6