B: (-6, -13)
A = Point(Segment[B, (x(B) - 7, y(B))])
c = Circle(A, B)
C = Point(Segment[B, (x(B) + 7, y(B))])
e = Circle(C, B)
D = PointIn(c)
E = PointIn(e)
g = Line(D, E)
F = Intersect(c, g, 2)
G = Intersect(e, g, 1)
h = Segment(B, D)
i = Segment(F, G)
l = Segment(E, B)
L = (-12.046609192888193, -17.594318251769995)
H = Intersect(c, g, 1)
I = Intersect(e, g, 2)
j = Segment(If[Distance[F, G] < Distance[H, G], F, H], D)
k = Segment(If[Distance[G, H] < Distance[I, H], G, I], E)
f = Segment(If[Distance[F, G] < Distance[H, G], F, H], If[Distance[G, F] < Distance[I, F], G, I])