data := [[8, -11.63908443], [-3.541334447, -12.67032396], [8.046309332, -15.084\
56175], [-8.498619144, -9.386376375], [7.098103362, -14.58372661], [-7.43146611\
3, -10.78979602], [-9.770775778, -10.09725644], [-8.067446217, -9.696428185], [
-1.459980352, -11.86275240], [3.982835217, -14.02495876], [2.437486543, -13.828\
69812], [-7.576864321, -10.96708978], [3.490133972, -14.85960053], [2.850280117
, -14.09621141], [7.472872848, -16.28714562], [1.776408182, -14.47503080], [-3.\
032105058, -11.09116528], [-1.243023744, -12.74755962], [3.766708383, -14.45014\
830], [-9.948532951, -8.880183570], [-5.958147543, -11.99548328], [1.154284757,
-13.23635590], [-5.368779483, -11.04361954], [-6.990226401, -11.49947572], [-5.\
111258989, -10.13419738], [-7.849321109, -10.24378475]];