Question: How do i remove the big red block i get when using multiple variable piecewise Implicitplot?

Im trying to replicate a shape in maple but everytime i plot it i get a big red block of line and i don't know why.

 

g := piecewise(0 <= x and x < 33, -50*x + 33*y, 33 <= x and 38.78 < y, (x - 47.94)^2 + (y - 40.55)^2 - 312.36, 58 <= x and x < 100 and 0 <= y and y <= 38.78, 0.5778*x^2 - 66.08774*x - y + 1887.9165);
implicitplot(g, x = 0 .. 80, y = 0 .. 60, scaling = constrained)

Any help is greatly appreciated

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