Číslo kroku

A = (6.36, -2.34)
B = (12.36, -1.98)
a = Circle(A, B)
C: (8, -1)
p_1 = Line(C, B)
D = Midpoint(C, B)
p_2 = LineBisector(C, B)
p_3 = Line(A, B)
S_1 = Intersect(p_2, p_3)
k_1 = Circle(S_1, C)
a_{1} = 0 (slider from 0 to 6, step 1)