B_1 = (357.8198970738511, 292.7073522329773)
C = (359.57714077875585, 208.71110313852975)
F = (613.3231317670034, 249.12770835133924)
O = (329.35254905439393, 258.61682435782495)
D = (392.9647711719463, 247.37046464643444)
c = Circle(O, D)
A = Point(c)
B = Point(c)
a = Segment(A, B)
d = CircleArc(O, B, A)