x y 7.4 30.0 7.5 25.0 8.5 31.5 9.0 27.5 9.0 39.5 11.0 38.0 13.0 43.0 14.0 49.0 14.5 55.0 16.0 48.5 17.0 51.0 18.0 64.5 20.0 63.0 23.0 68.0