A = (0, 8)
B = (6, 8)
a = Segment(A, B)
C = (4, 4)
b = Segment(B, C)
D = (-2, 4)
c = Segment(C, D)
d = Segment(A, D)
E = (8, 8)
F = (12, 10)
e = Segment(E, F)
G = (12, 4)
f = Segment(F, G)
H = (8, 2)
g = Segment(E, H)
h = Segment(G, H)
N = (10, 0)
M = (0, -2)
i = Segment(N, M)
Q = (2, -8)
j = Segment(M, Q)
P = (12, -6)
k = Segment(N, P)
l = Segment(Q, P)
m = Segment(P, M)
n = Segment(Q, N)