<applet code=EulerGT width=400 height=250> <param name=bgcolor value=yellow> <param name=functions value="e=ic[H=red,C=green,O=blue]"> <param name=vertices value="[w=15,h=15,dx=5,dy=5]; 0[x=1,y=0];1[x=2,y=0];2[x=0,y=1];3[x=4,y=1];4[x=1,y=2]; 5[x=2,y=2];[e=C];6[x=1,y=1];7[x=2,y=1];8[x=3,y=1,e=O]"> <param name=edges value="[w=2]; 0-6;1-7;2-6;6-7;7-8;8-3;6-4;7-5"> <param name=labels value="vertices=e"> </applet>