J = (31.8929796037296, -2.7057430069930097)
O = (32.96487062937062, 0.4492569930069893)
B_1 = (36.140094988344984, -1.5529545454545488)
c = Circle(O, B_1)
A = Point(c)
D = Point(c)
B = Point(c)
C = Point(c)
a = Line(A, B)
b = Line(D, C)
E = Intersect(a, b)
α = Angle(B, E, C)
m = CircleArc(O, A, D)
n = CircleArc(O, B, C)