1graph G { 2 graph [_draw_="c 9 -#fffffe00 C 7 -#ffffff P 4 0 0 0 36 54 36 54 0 ", 3 bb="0,0,54,36", 4 xdotversion=1.7 5 ]; 6 node [label="\N"]; 7 a [_draw_="c 7 -#000000 p 5 0 12.44 27 0 54 12.44 53.97 32.56 0.03 32.56 ", 8 height=0.5, 9 label="", 10 pos="27,18", 11 shape=invhouse, 12 width=0.75]; 13} 14