A square is inscribed in the circle `x^2+y^2-2x+4y-93=0` with its sides parallel to the coordinate axes. The coordinates of its vertices are `(-6,-9),(-6,5),(8,-9),(8,5)` `(-6,-9),(-6,-5),(8,-9),(8,5)` `(-6,-9),(-6,5),(8,9),(8,5)` `(-6,-9),(-6,5),(8,-9),(8,-5)`