data := [[-4.117742462, 13.49852434], [3.568892303, 8.887566942], [-8.71013824\
4, 20.26597116], [3.600009964, 6.760100455], [.94229448e-1, 9.613219716], [9.1\
03451240, 3.321313410], [-9.792937948, 19.78206302], [5.467519763, 5.084865650
], [4.112077232, 7.219014914], [-3.472037495, 12.95999345], [-10.47214902, 19.\
13161893], [-10.93552714, 20.57637819], [-4.868507785, 12.99111246], [-.147338\
809, 11.35174087], [-9.223525219, 19.53766735], [6.236659654, 6.927166152], [-\
5.124292426, 13.18935648], [.782662848, 7.070590892], [-6.643231355, 15.221214\
17], [4.822712963, 6.979147924], [-8.402270541, 19.95515058], [-8.592476586, 
17.72189880], [-9.037483484, 16.21831598], [-9.359543578, 18.69674528], [-8.39\
5526398, 19.16418060]];