data := [[8, 18.20016320], [-8.469990804, 19.44054342], [9.831403733, 13.73233\ 116], [-.6814282178, 16.94744616], [7.393000972, 14.78442154], [4.425587443, 14.90479926], [4.303888980, 15.90400304], [-1.580463582, 17.54201316], [-6.535\ 288658, 18.17673997], [7.165181431, 13.95802157], [-4.872676574, 18.75831912], [-8.761947523, 19.04761880], [10.24645977, 14.36332258], [-3.171245661, 18.042\ 49300], [-.1164303590, 17.29451513], [3.891051471, 14.93390223], [-7.984631995 , 19.15506084], [4.647703665, 14.74958675], [-2.079911303, 17.86580495], [2.75\ 7080562, 16.43825338], [1.662604730, 16.58864684], [-7.912517847, 18.80756850] , [8.954536646, 14.36222201], [.743813040, 16.99895038], [-10.34540049, 18.647\ 91376], [-6.777000624, 18.40272439]];