data := [[8, -19.37780553], [9.011797337, -16.10224155], [-8.905628279, -21.229\
46576], [.5375842214, -17.42524865], [-8.915689558, -21.79595140], [.696803508,
-17.32645468], [9.325559945, -15.05113766], [-6.561876629, -19.90513766], [-.81\
95565309, -17.75962643], [9.081340715, -15.10310475], [6.227442550, -16.6086187\
0], [4.569144406, -16.49579295], [2.901369522, -16.51475126], [7.564552792, -16\
.26861465], [4.600195768, -16.86733466], [-8.940288065, -22.37888328], [3.74286\
6411, -16.08798994], [-7.737124170, -20.37739006], [-9.351287722, -22.20763312]
, [7.451094021, -15.76812726], [2.948321316, -17.70482375], [4.096048546, -16.2\
1703097], [2.484299650, -17.23504513], [1.260487325, -16.93705164], [3.95849007\
7, -16.40623859], [-6.476033492, -21.76283947]];