data := [[-4.930739538, 16.61587384], [-7.482991691, 19.19160187], [-5.1334183\
06, 15.92937685], [-5.112015865, 18.43441486], [8.146116464, 8.030861709], [9.\
484536495, 5.778940022], [-5.673855484, 19.91213936], [4.162703618, 7.80692398\
9], [8.223698309, 6.027415783], [-1.823520260, 14.51194635], [.803803943, 13.3\
2122463], [-1.783074519, 17.10865822], [.345202524, 13.36129440], [2.907217610
, 9.202569028], [-5.090773590, 18.06866334], [5.926129820, 7.178242361], [-.25\
8642558, 14.51627979], [2.196912627, 14.12912956], [-8.125890318, 20.82943912]
, [1.108552310, 14.12387181], [9.765967181, 5.660226245], [-3.411642787, 16.64\
806914], [1.504590096, 13.42560939], [-6.341814863, 17.51674500], [8.614797527
, 6.604186881]];