S_1 = (6.7388, 2.1812)
B = (8.2876, 3.0282)
k_1 = Circle(S_1, B)
S_2 = (7.68, 1.98)
D = (3.44, 2.22)
k_2 = Circle(S_2, D)
a = 0 (slider from 0 to 5, step 1)
C = (9.227314457477538, 0.8798665085178627)
A = Point(k_2)
ω = Circle(A, C)
c = Mirror(k_1, ω)
Intersect(-4807.377801589429x² + 32768x y - 55838.227632379785y² - 1471.5621075882434x + 5015.223384930248y = 112.61310873956761, c)
E = Intersect(k_2, ω, 2)
F = Intersect(k_2, ω, 1)
f = Line(E, F)
g, h = Tangent(f, c)
k_3 = Mirror(h, ω)
k_4 = Mirror(g, ω)
S_4 = Center(k_4)
S_3 = Center(k_3)