data := [[4.028892047, 5.102673384], [-.31904566e-1, .554559625], [-10.2504871\
9, -20.64486144], [-6.179570605, -13.19740469], [-3.665618441, -11.39268442],
[-8.773704768, -16.14936116], [6.255068403, 16.00733928], [-3.483690057, -8.67\
4193214], [-.289015318, .128503257], [-2.644624334, -9.832232729], [-.99109708\
86, -2.243749494], [3.493458702, 4.875206204], [10.33236940, 17.19125718], [.4\
021007124, .9669822491], [3.826112930, 9.436367742], [-7.340905816, -17.976317\
60], [9.205234524, 15.57342057], [1.674744520, .3536876793], [-3.738120156, -9\
.013092097], [-3.532136427, -4.909785742], [-5.458576266, -10.44064184], [8.63\
6306136, 14.51747300], [8.799170674, 14.22913373], [-4.461066398, -11.93866994
], [-5.325510982, -11.63790692]];