A = (0, 0)
B = (8, 0)
C = (8, 3)
poly1, c, a, b = Polygon(A, B, C)
D = (14, 0)
I = (14, 2)
J = (11, 2)
G = (11, 1)
H = (9, 1)
F = (5, 3)
E = (5, 5)
B' = (9, 0)
poly2, b', d, i, j, g, h = Polygon(B', D, I, J, G, H)
H' = (9, 3)
G' = (11, 3)
J' = (11, 4)
I' = (14, 4)
F' = (14, 5)
C' = (9, 5)
poly3, h', g', j', i', f', c' = Polygon(H', G', J', I', F', C')
C'' = (0, 3)
poly4, e, c'', f = Polygon(C'', F, E)