data := [[8, 17.71101404], [-9.061281066, 15.02433306], [-7.792932411, 14.0354\
5645], [-7.523066258, 15.59113692], [4.919476535, 20.48799521], [-2.168744898,
17.99641112], [6.464641062, 21.93175397], [3.578361728, 20.42584876], [-7.4066\
85916, 15.80168886], [-4.717865123, 17.07876329], [-9.588183600, 13.94699694],
[7.447841367, 21.03534615], [-4.551291502, 15.45192931], [6.018715359, 20.8899\
1019], [-8.102621346, 14.75928484], [-8.428085166, 15.54053349], [-1.804531870
, 18.40871292], [-.52702584e-1, 17.39355651], [8.880434718, 21.02121316], [5.0\
99987455, 19.94337147], [3.320816428, 19.29748220], [-6.287498408, 15.20066910
], [1.187490509, 18.14055944], [-8.732978064, 16.02877887], [5.844059361, 21.9\
6276585], [-8.821890718, 15.42831934]];