graph G { graph [_draw_="c 9 -#fffffe00 C 7 -#ffffff P 4 0 0 0 36 54 36 54 0 ", bb="0,0,54,36", xdotversion=1.7 ]; node [label="\N"]; a [_draw_="c 7 -#000000 p 4 54 19.5 54 25.5 30 25.5 30 19.5 c 7 -#000000 p 4 42 10.5 42 16.5 30 16.5 30 10.5 c 7 -#000000 L 2 0 18 30 18 ", height=0.5, label="", pos="27,18", shape=threepoverhang, width=0.75]; }