data := [[1.319785702, 11.01991675], [-8.219730095, 19.17796738], [-3.69494004\
1, 16.55610876], [-.257214778, 11.53706196], [1.817299781, 8.364419260], [-4.1\
59937742, 16.87094666], [7.323770457, 2.063272499], [5.001847375, 4.574730439]
, [.874529943, 10.08387530], [5.327077851, 5.816218340], [-2.457599448, 13.229\
67131], [-5.149403091, 17.52631065], [4.459560431, 5.530573970], [6.149655746,
4.885276371], [-7.852320366, 18.73671755], [-9.518166738, 20.22118712], [.2216\
941186, 10.22421218], [-2.502997216, 14.95250202], [4.400149765, 5.416046949],
[.679300120, 9.227571422], [-6.768366745, 19.88477530], [-8.490607808, 20.4534\
0519], [-8.144744721, 19.02095033], [-9.597531895, 21.26710795], [-2.967452489
, 15.86264319]];