beginfig(-1);
u =         1.6666666667cm;
pickup pencircle scaled 0.01;
draw fullcircle
     xscaled          6.0000000000u
     yscaled          4.0000000000u
     shifted (        0.0000000000u,        0.0000000000u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        1.9897321767u,        0.0835131695u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (       -1.9946791039u,        0.0600030678u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        0.3003600598u,       -0.9870329630u);
endfig;
end;