data := [[-4.519145272, 16.39840467], [7.131437110, 2.272037270], [-2.91558980\
9, 13.69008441], [-.16852779e-1, 10.87949671], [2.843123804, 5.849582299], [6.\
880480040, 3.290754612], [3.812722707, 6.100896546], [.929284631, 9.830548227]
, [6.968489724, 3.451267279], [-11.27086821, 21.32407746], [-7.588465708, 18.3\
3471537], [-8.026093860, 17.23125147], [-2.219531575, 11.92879477], [-5.592915\
120, 19.01032036], [-5.934069018, 17.38891799], [-5.036763383, 15.45875847], [
6.406891022, 2.376167454], [-4.837472807, 15.39792023], [-5.499732066, 18.9301\
9708], [3.157003059, 8.111064276], [8.299498422, .712648344], [3.610283781, 7.\
720377648], [3.048556167, 5.814134880], [8.619062890, .856305785], [4.40476034\
8, 6.099333529]];