data := [[8, 17.17908999], [2.299296621, 17.60326861], [5.225351976, 14.164028\ 28], [-7.343549791, 21.71509563], [-6.934738620, 23.35395242], [-8.898283262, 23.53569610], [-5.972897006, 22.48570138], [8.624080609, 11.87219737], [-6.135\ 585339, 21.57806634], [1.047726507, 17.49520819], [-.4437101594, 17.01360598], [5.684819575, 15.13089538], [-7.161431408, 22.50550182], [3.744800720, 16.1081\ 6155], [-2.052339983, 18.41306177], [-3.086493810, 19.16908436], [.143015983, 17.65418102], [-3.722511378, 19.34987917], [3.674820649, 15.12097741], [5.3136\ 63811, 13.88211845], [-8.945263747, 22.95363552], [1.774266340, 17.54262379], [6.769805884, 13.78859808], [9.021247197, 12.34835582], [-4.506413894, 21.1897\ 6544], [9.267406187, 12.46159165]];