bdata := [[8.65124763, 15.05801139], [.12218972, 18.71889232], [.7461504e-1, 19.08078948], [-1.559782888, 19.98371172], [-9.827561842, 23.06848486], [.32311207, 19.14564218], [-2.391913592, 20.30217888], [3.94617018, 17.43607480], [-2.830376788, 19.63133334], [-1.358328420, 20.05752868], [6.23095437, 16.43323636], [5.61148003, 17.81101690], [-2.625640890, 20.88674163], [-2.690509364, 20.36160632], [-8.857403420, 23.84930474], [-2.780958614, 19.81177275], [.49220217, 18.73849995], [-6.543130054, 21.51666222], [6.08427501, 16.97527217], [-6.242938578, 21.72698882], [-6.514007062, 21.45289388], [7.76133332, 16.75089278], [-9.054911088, 22.54190263], [5.03304675, 16.82722949], [-9.869721387, 23.70277711], [-7.770840930, 22.16242030], [-1.948518384,20.06695018], [4.00205027, 17.47005315], [5.17321040, 17.55005418], [-2.076084772, 19.72089223], [-1.550062590, 20.21390427], [-6.143925098, 21.65680593], [5.60762551, 16.84921688], [6.64081052, 17.04952989], [2.71911796, 17.75913317], [.49583125, 18.89613761], [5.12446722, 16.91928245], [-1.852442276, 20.25908204], [6.90280682, 16.84990814], [-2.532240154, 20.72224765], [1.32201814, 18.91342503], [.93254506, 18.90640481], [-8.184966738, 29.44895089], [-9.307860036, 27.09063691], [-9.710001259, 32.12397498], [-6.499868778, 28.48508601], [7.492109388, 11.06831268], [5.295254201, 9.403916851], [8.105629482, 7.166928438], [9, 215.6599449], [-10, -191], [-8, 200], [9, 220], [1, -100]];