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x^2 + y^2 = r^2
(x+3)^2 + (y-5)^2 = r^2
(x-2)^2 + (y+1)^2 = r^2
(x-1)^2 + y^2 = r^2
x^2 + (y-3)^2 = r^2
(x+2)^2 + (y+4)^2 = r^2
(x+5)^2 + (y-6)^2 = r^2
(x-4)^2 + (y+2)^2 = r^2
(x-3)^2 + (y-1)^2 = r^2
x^2 + (y+4)^2 = r^2