begin
c 255 0 0 
v 20 300
c 0 0 255
v 250 200
c 0 255 0
v 100 350
end

begin
c 255 0 0 
v 480 300
c 0 0 255
v 250 200
c 0 255 0
v 350 350
end


begin
c 255 0 0 
v 250 200
c 0 0 255
v 20 20
c 0 255 0
v 480 20
end