data := [[-7.860276742, -8.225917614], [-2.366323227, -.740416682], [2.0638486\
84, 3.602787385], [-4.295477316, -.869808099], [-7.660167817, -7.806811746], [
.664681040, 2.470159178], [-3.073826488, .174508200], [-6.037924399, -4.297114\
778], [-3.616411343, -2.408204124], [-10.04345100, -8.557330895], [2.278230338
, 4.837731641], [-6.643398264, -3.277004918], [9.099523744, 9.311766600], [-3.\
208847220, .121227205], [8.272619493, 9.836567521], [-4.470744379, -.241378375
], [6.410198600, 7.110303875], [-1.988888581, -.886272037], [4.024729642, 5.66\
6414512], [-3.021693258, -1.415297934], [9.366017926, 10.96455324], [-6.196375\
216, -6.979683176], [-1.139545522, .752265857], [7.525467098, 10.24479092], [
10.21622950, 9.502582595]];