Prüfe!

A = (-1, 2)
B = (0, 3)
a = Segment(A, B)
C = (0, 4)
b = Segment(C, B)
D = (1, 4)
c = Segment(C, D)
E = (2, 5)
d = Segment(D, E)
F = (3, 4)
e = Segment(E, F)
G = (4, 4)
f = Segment(F, G)
H = (4, 3)
g = Segment(G, H)
I = (5, 2)
h = Segment(H, I)
J = (4, 1)
i = Segment(I, J)
K = (4, 0)
j = Segment(J, K)
L = (4, 0)
M = (3, 0)
k = Segment(L, M)
N = (2, -1)
l = Segment(M, N)
O = (1, 0)
m = Segment(N, O)
P = (0, 0)
n = Segment(O, P)
Q = (0, 1)
p = Segment(P, Q)
q = Segment(Q, A)
r = Line(E, N)
s = Line(A, I)
t = Line(G, P)
a_1 = Line(C, L)
o = false
R = (6, 3)
S = (7, 3)
b_1 = Segment(S, R)
T = (6, 2)
U = (7, 2)
c_1 = Segment(T, U)
V = (8, 5)
W = (8, 0)
d_1 = Segment(V, W)
Z = (7, 4)
A_1 = (7, 5)
e_1 = Segment(Z, A_1)