data := [[-7.038801969, -12.33885663], [10.93397735, 25.38515905], [1.43493000\
6, 5.073662815], [5.267300780, 18.66830878], [8.211787800, 20.31162464], [-3.5\
17477707, -3.371798583], [.581112403, .642145849], [9.961043124, 25.01621893],
[6.617042580, 13.94280115], [-3.650891036, -6.168094139], [4.621375804, 11.563\
19346], [-6.839612667, -14.47652567], [2.036887082, 4.157629245], [-5.08016806\
3, -6.010655948], [-.523620821, -.277571595], [-6.852792928, -13.73348820], [-\
11.02155192, -18.42564674], [8.466213373, 24.11752413], [.609615802, 1.3390586\
03], [9.192655284, 21.50000648], [-8.090769155, -12.35853664], [9.569927276, 
25.38416603], [-.18067044e-1, .607384444], [-2.545321149, -5.734445847], [-3.5\
98346339, -2.579685914]];