data := [[-5.568542385, .587408232], [-1.629914752, 5.379501858], [-7.97006726\
1, -9.055814177], [-.215767414, 13.12286947], [4.746520480, 22.80427915], [-3.\
931964602, 3.167123158], [5.036835309, 20.53647153], [1.154480484, 17.75316028
], [-.290941036, 12.98159865], [-3.509063621, 5.408059242], [-5.649314267, -6.\
076329348], [-8.636356550, -7.863118142], [-.318632681, 8.586107273], [8.53634\
2540, 28.62036982], [6.249941791, 29.46621321], [-5.385665136, -.9787391708],
[1.607951862, 15.41525452], [8.970995367, 32.02265883], [-3.570484089, 1.85004\
2853], [5.370489032, 25.35863471], [8.904191283, 28.58852584], [-.761756592, 
10.49276714], [4.416775423, 20.07206275], [-1.815783038, 5.643331167], [2.4811\
27874, 19.50530899]];