data := [[9.715308697, 5.740118221], [2.859340754, -.440867256], [-6.288855493
, -8.439845385], [-5.965680625, -10.24735402], [7.280311132, 3.441441988], [-4\
.234836623, -9.645588407], [-7.948105178, -10.21259390], [2.554007497, .582970\
407], [2.613508013, .850386905], [-1.262691106, -5.990985176], [7.743091989, 5\
.576310856], [3.885309182, 1.533330330], [1.822766607, -1.563638380], [6.45145\
0727, 3.915008345], [-6.157581447, -9.763090423], [8.016503983, 7.090213804],
[2.080699193, -.176640736], [8.022272120, 3.131506602], [7.427222004, 5.347707\
467], [4.176523698, .449781112], [7.199245892, 4.497207970], [-4.782989125, -8\
.601679451], [-1.045590152, -5.426882742], [-1.902767593, -4.842941218], [4.02\
8127160, 2.493158541]];