beginfig(1); u = 0.5000000000 cm; draw (0,0)--(0, 7.1437936464u)--( 7.1437936464u, 7.1437936464u)--( 7.1437936464u,0)--cycle; draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 1.0000000000u, 1.0000000000u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 2.7145978816u, 6.1437936464u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 4.4291957641u, 5.1150349170u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 1.0000000000u, 3.0575174586u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 2.7145978819u, 2.0287587297u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 2.7145978828u, 4.0862761865u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 6.1437936464u, 4.0862761872u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 1.0000000000u, 5.1150349151u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 4.4291957649u, 3.0575174571u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 4.4291957633u, 1.0000000000u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 6.1437936464u, 2.0287587270u); draw fullcircle xscaled 2.0000000000u yscaled 2.0000000000u shifted ( 6.1437936464u, 6.1437936464u); endfig; end;