data := [[-4.485611686, -3.516995633], [-3.706568349, -6.020208440], [8.629850\
307, -19.43821415], [-4.930135312, -5.170917424], [-2.222037097, -10.52376510]
, [-3.155141899, -6.680832526], [-8.235430723, -2.508813923], [6.311746834, -\
14.50691781], [-7.608673425, -.616144064], [-7.412491013, -1.572115582], [-4.1\
87276906, -6.682915514], [-5.957737150, -4.495255057], [-1.580848760, -7.71674\
5360], [-11.34634699, 1.555282383], [9.206506397, -19.39887683], [3.123336163,
-14.22910994], [6.975011768, -15.68357422], [-6.162687983, -5.058284506], [-8.\
024713381, -1.834013757], [3.897285912, -14.38419544], [4.477047937, -14.52577\
747], [-7.960898821, -.8310772867], [3.626276238, -13.48798272], [-2.655452513
, -7.247049159], [-7.295518950, -3.574337381]];