A = Intersect(xAxis, yAxis)
B = Point(yAxis)
poly1, a, b, c, d, C, D = Polygon(A, B, 4.0)
E: (x(D) - 1.0, 0.0)
e = Segment(D, E)
f = Line(E, C)
F = Intersect(f, yAxis)
poly2, g, h, i, j, G, H = Polygon(B, F, 4.0)
I: (x(G), 0.0)
poly3, k, l, m, n, J, K = Polygon(I, G, 4.0)
p = Line(I, F)