data := [[3.307736790, .241440103], [-8.189663792, 11.06761755], [-3.607116725
, 8.386613905], [-7.704999827, 10.80055348], [-5.117913527, 12.31029061], [-6.\
301537726, 9.289844500], [-1.518398391, 8.244995328], [1.958389739, 1.39635867\
2], [-.344693642, 5.245022592], [3.729375824, 2.425904792], [8.445750714, -1.9\
32457047], [-8.031640100, 13.49186549], [-6.077086804, 10.57634948], [5.929560\
122, -.9958140623], [-6.821797060, 10.22557297], [-3.071830256, 7.470856460],
[5.826649177, -.642006030], [7.023621589, -2.060508387], [.52130290e-1, 4.5289\
03490], [-2.169973124, 8.654607528], [-2.423932108, 7.028614471], [.822559705,
5.618093888], [-2.134946986, 8.418950368], [-4.151858924, 9.307407844], [-1.84\
3042822, 6.192852941]];