data := [[8, -3.925698315], [4.422249054, -5.966229106], [-10.58029153, -2.675489588], [5.632624280, -7.068394769], [-8.966720959, -2.606314996], [-1.286246232, -4.669893111], [6.342248871, -7.086466963], [-5.676728128, -3.518641466], [7.401925546, -7.557765712], [-4.734195514, -3.202528859], [-10.42755992, -1.666655846], [-3.794320970, -3.357711429], [.9018621847, -5.369071034], [-1.484904962, -4.605470047], [-9.311182204, -2.560504739], [-6.406959833, -2.482015505], [9.242746934, -7.192449968], [.6023399166, -5.092731733], [-3.825534314, -3.581141283], [7.557915357, -8.828300447], [9.045433014, -7.906920121], [-9.238175860, -2.608521740], [6.156837541, -6.323913117], [8.634553504, -8.137454920], [-3.940737356, -3.948195073], [9.653033339, -8.626638148]];