beginfig(1);
u =         0.0833333333 cm;
draw 
     (        0.0000000000u,        0.0000000000u)--
     (      120.0000000000u,        0.0000000000u)--
     (      120.0000000000u,      120.0000000000u)--
     (        0.0000000000u,      120.0000000000u)--cycle;
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       15.0000000000u,       75.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       75.0000000040u,      105.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       15.0000000000u,       45.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (      105.0000000000u,      105.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (      105.0000000000u,       74.9999999835u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       45.0000000013u,      105.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       75.0000000036u,       75.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       15.0000000000u,       15.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       75.0000000000u,       15.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       45.0000000000u,       44.9999999997u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (      105.0000000000u,       15.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       15.0000000000u,      105.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       45.0000000000u,       15.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       75.0000000001u,       45.0000000000u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (      105.0000000000u,       44.9999999867u);
draw fullcircle
     xscaled         30.0000000000u
     yscaled         30.0000000000u
     shifted (       44.9999999963u,       75.0000000003u);
endfig;
end;