data := [[-1.908379450, 15.93770527], [-5.401121203, 20.43400061], [-8.2967313\
35, 24.96894658], [-.812744735, 14.77237505], [3.932365039, 10.45249989], [7.5\
01254438, 5.551107773], [-7.837254613, 24.99354211], [-1.312048869, 15.7843028\
1], [-8.962526368, 22.93764817], [-5.189190339, 18.82131196], [-3.305555069, 
17.33391760], [-5.967176207, 20.43107391], [-.371116441, 16.21170803], [2.4320\
96280, 11.66400865], [3.112308796, 11.64224099], [7.448623531, 5.386188763], [
-5.352196800, 21.72624313], [2.347967828, 11.86279444], [-4.145515093, 20.7570\
8808], [-.547539849, 17.01196301], [6.519613503, 7.811705609], [-2.331213584,
16.88619864], [-9.440588769, 24.05393586], [1.776475504, 13.07275697], [-6.074\
973186, 21.16164578]];