data := [[-8.373645433, 3.786706086], [-1.957696637, -2.611310308], [-4.412632\
986, -1.586006523], [-6.799417095, 3.269275405], [-4.751879433, 1.260289404],
[8.146004330, -13.90403953], [1.796694985, -4.840740192], [5.142335615, -8.038\
365343], [-.998001623, -3.497663027], [5.366997089, -8.618844820], [-9.6686362\
49, 5.716661220], [5.824150388, -9.313579873], [7.495241426, -9.808723568], [-\
1.577135995, -1.735104013], [7.544230417, -10.83452005], [11.28262975, -13.979\
00164], [-3.376894961, -.566724169], [-1.845767908, -2.676788602], [7.95868125\
3, -9.634815346], [-4.996429556, -.71030526e-1], [9.755318988, -13.08953716],
[6.473768122, -9.933398318], [-2.975308920, .873952032], [-2.970849745, -2.090\
466417], [-8.341750614, 5.281829289]];