data := [[-3.987061003, -15.39634915], [-3.496762376, -12.19260203], [-4.09979\ 1367, -13.07217055], [-1.296943825, -10.61739390], [-8.054444651, -18.99962791 ], [-4.676713381, -13.85028270], [-4.465409157, -13.69454373], [-9.028269324, -19.44519239], [6.578107818, -2.688538211], [-5.358913910, -14.91276238], [4.8\ 56615778, -4.348028757], [5.838953455, -5.483910982], [-9.421024802, -19.66621\ 003], [-3.615214907, -13.12926410], [-4.749448833, -13.44742842], [-1.20703801\ 8, -13.04236984], [8.033558862, -.205853845], [-5.438625386, -15.59780317], [-\ 6.502663331, -17.31361676], [-4.831863647, -16.14070160], [1.113111417, -9.049\ 161971], [7.451869765, -3.719133173], [1.000462000, -9.020938640], [8.35351251\ 7, .30194772e-1], [2.312027951, -10.25452147]];