A_{1} = (8.04, -10.26)
B = (24.06, -6.5)
f = Line(A_{1}, B)
A = Point(f)
S_1 = (19.4728, -5.2434)
E = (13.4, -10.58)
k_1 = Circle(S_1, E)
g = OrthogonalLine(A, f)
F = Point(f)
a = 0 (slider from 0 to 5, step 1)
j = Line(S_1, A)
C = Intersect(k_1, j, 2)
D = Midpoint(A, C)
c = Ellipse(S_1, A, D)
k = OrthogonalLine(A, f)
S_2 = Intersect(c, k, 2)
k_2 = Circle(S_2, A)
S_3 = Intersect(c, k, 1)
k_3 = Circle(S_3, A)
d = Circle(D, A)