usecolor
-3 3 setxrange
-3 3 setyrange
60 setxunit
/cerc{O 2} def
/r0 2 def %% rayon
/a10 2 pi mul -0.25 mul def %% angle extremite inf
/a20 2 pi mul 0.583 mul def %% angle extremite sup
/A{70 cerc cpoint} def
/B{120 cerc cpoint} def
/C{210 cerc cpoint} def
/D{270 cerc cpoint} def
/E{300 cerc cpoint} def
|