data := [[-2.078374789, -3.362983902], [6.726180367, -13.15872536], [9.4628296\
35, -16.48431310], [2.577495746, -8.837887425], [4.517881704, -12.65965420], [
-5.069718149, -.522959524], [1.307813577, -9.351747545], [-5.016769794, -1.179\
852475], [5.605882124, -11.96321800], [8.514555660, -17.14728456], [6.46140806\
6, -13.96405590], [-10.78051174, 2.466066639], [1.711065357, -6.309763319], [-\
8.020322219, -.414189117], [-5.532895854, -.360688875], [-5.556165356, .628284\
744], [6.088547366, -11.91757607], [5.860793148, -14.51930070], [-6.918581556,
.921227705], [-10.19513094, 2.072009296], [10.43154536, -15.53169240], [3.7309\
71487, -10.64614725], [-4.813993193, -3.102042457], [-2.706544998, -4.44510823\
4], [-6.219610456, .783248080]];