Číslo kroku

S_1 = (19.18, -6.28)
S_2 = (16.9, -6.28)
A = (24.54, -1.1)
k_2 = Circle(S_2, A)
B = (15.42, -4.88)
k_1 = Circle(S_1, B)
a = 0 (slider from 0 to 5, step 1)
p = Line(S_2, S_1)
P_1, P_2 = Intersect(k_1, p)
P_3, P_4 = Intersect(k_2, p)
C_1 = Midpoint(P_2, P_4)
C_2 = Midpoint(P_1, P_4)
e_1 = Ellipse(S_1, S_2, C_1)
e_2 = Ellipse(S_2, S_1, C_2)