data := [[-3.710930811, 19.72184408], [1.777309704, 3.882655014], [5.995595291
, -8.776978066], [5.632342932, -14.13879955], [-8.760824954, 29.49216686], [8.\
074043838, -17.25241810], [-4.678328081, 25.66592016], [-.38586177e-1, 11.7808\
0173], [-8.600175032, 28.94031860], [-8.182648417, 32.87963823], [-5.959729283
, 28.23988533], [-7.092745649, 32.69885259], [3.205855755, -.205029644], [4.53\
6623071, -6.513789571], [-1.717202829, 9.836807844], [.113083105, 9.681061805]
, [-3.929324144, 19.99046930], [-3.964899786, 23.60863065], [-3.960545454, 16.\
15284535], [10.79550939, -18.85190592], [2.486198637, 2.642516744], [-9.038620\
811, 28.90864455], [4.034954343, -.4549489970], [-5.512749848, 27.82983203], [
-6.797709134, 29.98458160]];