data := [[2.788073928, 10.47002640], [.600609771, 8.547373607], [-3.851157689,
5.723446272], [4.704250238, 15.75531933], [-.581553789, 10.18701156], [2.10454\
6293, 12.26733709], [-9.308240995, -2.049768620], [8.770840685, 16.76719952],
[7.942022569, 16.37124357], [1.190950540, 10.56092204], [4.095484160, 14.19216\
472], [1.736158150, 9.122318599], [7.109966534, 15.58297362], [-.2317262506, 8\
.660471424], [-8.941527772, -1.400062858], [6.629188253, 14.64743904], [2.7461\
50521, 13.61854695], [1.819220013, 10.03699575], [-4.491559377, 4.681163834],
[-7.858183719, -.468283922], [-6.801455625, 1.593225589], [-4.773115781, 3.242\
169194], [5.404836668, 14.84695749], [-1.324054860, 6.310771094], [-1.39801961\
3, 7.668552371]];