data := [[8, -17.24540433], [-5.708598489, -18.03276276], [2.572360750, -19.21\
800006], [9.796803494, -22.63569116], [-.8328515179, -19.23084094], [2.2192007\
47, -20.22072649], [-8.055930001, -15.61677814], [-.272336368, -18.11355899],
[-8.382623025, -16.33373930], [-10.21587402, -16.47488348], [-.626270424, -19.\
57977462], [1.780745279, -19.59623406], [8.808562425, -20.30033990], [8.349493\
967, -21.34545671], [-9.503573444, -17.52117382], [-5.876296332, -17.37395351]
, [-8.346871309, -17.31886321], [1.720189206, -19.92972943], [-9.937938748, -\
16.95196164], [-1.225579382, -18.12402868], [6.653685225, -20.94764094], [-3.7\
11651014, -17.95511985], [-6.181837700, -17.98371398], [.1481259272, -20.08755\
398], [7.823997582, -21.15784217], [-.7675150400, -18.48926657]];