20 setxunit 1.9 12.1 setxrange 1.9 8.1 setyrange usecolor /fillstyle {grey85 fill} def 0 setlinewidth [2 5 2 3 3 2 5 2 7 2 8 4 9 4 10 4 10 3.5 11 3.5 12 3.5 12 4 12 5 12 6 10 8 7 8 4 8 2 7 2 5] bezier_curve* 1 setlinewidth [5 2 7 2 8 4 9 4] bezier_curve [12 5 12 6 10 8 7 8] bezier_curve 11 3.5 point