window 600 600
rectangle 300 300 500 100
rectangle 300 300 100 500 
circle 150 150 80 1
circle 450 150 80 1
circle 150 450 80 1
circle 450 450 80 1
filled_circle 150 150 60 1 3
filled_circle 450 150 60 1 7
filled_circle 150 450 60 1 19
filled_circle 450 450 60 1 25