B_2 = (5.28, -1.24)
B_1 = (6.928429752066112, -1.0385123966942102)
I = (15.681702479338844, -2.3565123966942108)
B_3 = (-0.6532975206611558, -0.622912396694211)
D_1 = (5.8081024793388405, -0.5745123966942108)
F = (12.801902479338835, -0.21151239669421104)
H = (19.263302479338833, -0.7923123966942108)
G = (2.274902479338843, 4.313887603305786)
J = (0.09690247933884394, 6.806487603305785)
L = (8.155502479338839, 6.1772876033057855)
O = (3.8963024793388414, 1.0226876033057881)
C_1 = (6.94550247933884, -1.92971239669421)
c = Circle(O, C_1)
A = Point(c)
C = Point(c)
a = Line(A, O)
D = Intersect(c, a, 2.0)
b = Segment(A, D)
d = Segment(A, C)
e = Segment(C, O)
α = Angle(D, A, C)
β = Angle(A, C, O)
B_4 = Angle(D, O, C)
B = Point(c)
f = Segment(A, B)
g = Segment(B, O)
γ = Angle(B, A, O)