beginfig(1); u = 0.5000000000 cm; draw (0,0)--(0, 5.8632353309u)--( 5.8632353309u, 5.8632353309u)--( 5.8632353309u,0)--cycle; draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 2.9316176655u, 4.3457617343u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 1.0000000000u, 1.0000000000u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 2.9316176654u, 1.5174735967u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 1.0000000000u, 4.8632353309u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 4.3457617343u, 2.9316176655u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 1.5174735965u, 2.9316176655u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 4.8632353309u, 4.8632353309u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 4.8632353309u, 1.0000000000u); endfig; end;