beginfig(1); u = 0.0500000000 cm; draw ( 0.0000000000u, 0.0000000000u)-- ( 100.0000000000u, 0.0000000000u)-- ( 100.0000000000u, 200.0000000000u)-- ( 0.0000000000u, 200.0000000000u)--cycle; draw fullcircle xscaled 62.0000000000u yscaled 62.0000000000u shifted ( 31.0000000000u, 31.0000000000u); draw fullcircle xscaled 62.0000000000u yscaled 62.0000000000u shifted ( 31.0000000000u, 114.8582853815u); draw fullcircle xscaled 62.0000000000u yscaled 62.0000000000u shifted ( 69.0000000000u, 169.0000000000u); endfig; end;