a = 0 (slider from 0 to 6, step 1)
A_{1} = (10.58, -10.34)
B = (23.68, -4.56)
p = Line(A_{1}, B)
S_{3} = (13.8, -4.62)
D = (18.12, -10.2)
k_{3} = Circle(S_{3}, D)
A = Point(k_{3})
g = Line(S_{3}, A)
p' = Mirror(p, g)
S' = Point(g)
f = OrthogonalLine(S', p)
T = Intersect(p, f)
c = Circle(S', T)
A' = Intersect(c, g, 1)
A'' = Intersect(c, g, 2)
h = Segment(A', T)
i = Segment(A'', T)
j = Line(A, i)
k = Line(A, h)
T_1 = Intersect(p, j)
T_2 = Intersect(p, k)
l = OrthogonalLine(T_1, p)
m = OrthogonalLine(T_2, p)
S_1 = Intersect(g, l)
S_2 = Intersect(g, m)
k_1 = Circle(S_1, A)
k_2 = Circle(S_2, A)