A: (0, 0)
B: (9, 0)
C: (9, 8)
D: (7, 8)
E: (7, 5)
F: (0, 5)
G: (2, 7)
H: (5, 7)
I: (5, 10)
J: (2, 10)
K: (11, 4)
L: (13, 4)
M: (13, 10)
N: (11, 10)
poly1, sa, sb, sc, sd, se, sf = Polygon(A, B, C, D, E, F)
q1, sg, sh, si, sj = Polygon(G, H, I, J)
q2, sk, sl, sm, sn = Polygon(K, L, M, N)
S: (0, 10)
T: (4, 6)
U: (6, 8)
V: (8, 10)
W: (10, 6)
X: (12, 2)
Y: (18, 10)