beginfig(1);
u =         0.5000000000 cm;
draw (0,0)--(0,        3.9998161178u)--(        9.9992644508u,        3.9998161178u)--(        9.9992644508u,0)--cycle;

draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        6.9994483381u,        2.9998161178u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        4.9996322254u,        1.0000000000u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        2.9998161127u,        2.9998161178u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        4.9996322254u,        2.9998161178u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        2.9998161127u,        1.0000000000u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        8.9992644508u,        2.9998161178u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        1.0000000000u,        2.9998161178u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        6.9994483381u,        1.0000000000u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        8.9992644508u,        1.0000000000u);
draw fullcircle
     xscaled          2.0000000000u
     yscaled          2.0000000000u
     shifted (        1.0000000000u,        1.0000000000u);
endfig;
end;