beginfig(1); u = 0.0416666667 cm; draw ( 0.0000000000u, 0.0000000000u)-- ( 120.0000000000u, 0.0000000000u)-- ( 120.0000000000u, 240.0000000000u)-- ( 0.0000000000u, 240.0000000000u)--cycle; draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 15.0000000000u, 74.9999999809u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 105.0000000000u, 45.0000000069u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 44.9999999863u, 74.9999999936u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 44.9999999998u, 105.0000000016u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 75.0000000012u, 225.0000000000u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 44.9999999998u, 44.9999999943u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 44.9999999995u, 15.0000000000u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 75.0000000000u, 165.0000000051u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 15.0000000000u, 44.9999999890u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 75.0000000137u, 75.0000000128u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 75.0000000000u, 195.0000000042u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 45.0000000000u, 165.0000000020u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 75.0000000002u, 105.0000000125u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 15.0000000000u, 165.0000000064u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 75.0000000002u, 45.0000000162u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 15.0000000000u, 15.0000000000u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 45.0000000000u, 135.0000000012u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 44.9999999988u, 225.0000000000u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 105.0000000000u, 225.0000000000u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 75.0000000005u, 15.0000000000u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 15.0000000000u, 104.9999999966u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 105.0000000000u, 194.9999999954u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 75.0000000000u, 135.0000000080u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 105.0000000000u, 75.0000000014u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 105.0000000000u, 104.9999999954u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 45.0000000000u, 195.0000000031u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 105.0000000000u, 15.0000000000u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 105.0000000000u, 134.9999999903u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 15.0000000000u, 195.0000000075u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 15.0000000000u, 225.0000000000u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 105.0000000000u, 165.0000000002u); draw fullcircle xscaled 30.0000000000u yscaled 30.0000000000u shifted ( 15.0000000000u, 134.9999999949u); endfig; end;