data := [[8, 15.41639758], [-1.453893359, 16.27219746], [6.518232234, 18.924305\
03], [7.873481224, 19.48808370], [-8.473538297, 13.98056081], [-7.335259200, 13\
.21145782], [10.59009885, 19.64930216], [3.278147462, 17.74096831], [-1.0513387\
91, 15.12672357], [4.513407185, 18.42663608], [-1.237264327, 16.30896078], [5.2\
25946039, 17.27683461], [7.699214090, 19.60249585], [6.550906131, 19.61202621],
[6.198127191, 17.90719092], [.238952439, 16.77466204], [6.903254982, 19.4681844\
5], [-5.201007979, 14.25269160], [1.445505630, 16.91656536], [6.705180575, 19.6\
2186435], [.4260050802, 16.35105222], [.272659910, 16.21022108], [1.866009662,
17.35805955], [-6.460981196, 14.58291751], [.6855904150, 17.02604858], [-6.2479\
04852, 14.55719381]];