číslo kroku

C_{1} = (7.724268954304889, 32.46538671725888)
S_1 = (101.67712341013873, 46.39188163001614)
B_{1} = (92.31790970842098, 12.83592311685639)
k_1 = Circle(S_1, B_{1})
p_1, g = Tangent(C_{1}, k_1)
A = (48.38530069799605, 74.21694421652774)
p_3 = OrthogonalLine(A, p_1)
p_2 = Line(S_1, A)
B = Intersect(k_1, p_2, 2)
C = Midpoint(A, B)
c = Parabola(A, p_1)
d = Hyperbola(S_1, A, C)
S_4, S_2, S_3, I = Intersect(c, d)
k_3 = Circle(S_3, A)
k_2 = Circle(S_2, A)
k_4 = Circle(S_4, A)
a = 0 (slider from 0 to 6, step 1)