A = (1, 1)
B = (10, 10)
C = (1, 10)
D = (10, 1)
f = Segment(C, A)
g = Segment(A, D)
h = Segment(D, B)
i = Segment(B, C)
G = (30, 1)
H = (30, 10)
n = Segment(H, G)
E = (20, 1)
F = (20, 10)
j = Segment(B, F)
k = Segment(F, E)
l = Segment(F, H)
m = Segment(E, G)
p = Segment(E, D)