data := [[-6.930338971, 11.35121379], [3.212976553, -1.014097055], [-2.9469358\
69, 5.509960581], [-3.239952172, 7.516763428], [6.131114839, -3.437050562], [-\
6.267193859, 9.498833707], [7.670209557, -3.986900188], [-.464861791, 3.963326\
054], [-.437812489, 4.667080307], [6.235610554, -2.708828142], [-8.994687386,
9.613934862], [-6.808121961, 7.062380639], [10.34655375, -5.915028080], [7.571\
263490, -4.479926820], [-.466125456, 4.887809845], [5.238837058, -2.319777014]
, [-2.973081135, 6.078990557], [-.756156822, 2.689262723], [-3.600681376, 5.95\
6009757], [8.241273206, -3.853551040], [5.302065839, -.696165644], [1.12441670\
6, 1.925650574], [8.925566466, -4.024624188], [.198081715, -.9522323e-2], [3.4\
94787708, -1.462699374]];