Question: Inequality plotting

I faced a problem with the following syntax which provided me we partial circles inequality plotting, and how able to improve the syntax:
restart: with(plots):
inequal({y > -1, y >= x^2+1, (x-1)^2+(y-1)^2 <= 16}, x = -5 .. 8, y = -6 .. 6, optionsfeasible = (color = grey), optionsexcluded = (color = white));

restart: with(plots): inequal({y > -1, y >= x^2+1, (x-1)^2+(y-1)^2 <= 16}, x = -5 .. 8, y = -6 .. 6, optionsfeasible = (color = grey), optionsexcluded = (color = white));

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