"M50,0L100,0 100,100 0,100 0,0z" "M50,0 C10,0 0,10 0,50 0,90 10,100 50,100 90,100 100,90 100,50 100,10 90,0 50,0 Z" "M50 0A50 50,0,1,1,50 100A50 50,0,1,1,50 0" "M50,0A50,50,0,0 1 100,50 L100,85 A15,15,0,0 1 85,100 L50,100 A50,50,0,0 1 50,0z"