La courbe de Girod (de l'autre côté) 
avec R=5, a= 3, r=2

f(t) = sqrt(25 * sin(t)^(2) + (5 * cos(t) - 3)^(2))
A = (3, 0)
a = CurveCartesian((3 + 5 * cos(t)) / 2 + (10 * sin(t)) / f(t), (5 * sin(t)) / 2 + (2 * (3 - 5 * cos(t))) / f(t), t, 0, 6.28319)
k = 3
B = Point(c)
b = LineBisector(B, A)
d = Segment(A, B)
C = Intersect(b, d)
e = Circle(C, 2)
D, E = Intersect(e, b)
lieu1 = Locus(E, B)
F = Intersect(xAxis, yAxis)
g = Line(F, A)
lieu2 = Locus(D, B)