arc xc=300 yc=200 xa=50  ya=50  start=10   end=40
arc xc=300 yc=200 xa=250 ya=150 start=10   end=200
arc xc=300 yc=200 xa=250 ya=150 start=10   end=2000
arc xc=300 yc=200 xa=250 ya=150 start=1000 end=200
arc xc=300 yc=200 xa=25  ya=15  start=3500 end=800
arc xc=300 yc=200 xa=25  ya=15  start=10   end=100
arc xc=300 yc=200 xa=25  ya=15  start=3500 end=10
arc xc=300 yc=200 xa=25  ya=15  start=0    end=900