data := [[5.322261407, 8.608862127], [-9.195053285, 21.68384072], [-.576814652\
6, 11.68847573], [.4803375681, 10.95686121], [-6.290797397, 19.51332498], [5.6\
65962152, 8.731760389], [-2.042236572, 13.09010353], [-1.177259864, 15.9207358\
2], [-5.578088640, 18.24781702], [-9.091852393, 22.99433604], [-.290272901, 14\
.60686889], [5.906406302, 9.294685962], [-8.255848876, 18.98607164], [.9601274\
88, 10.95977296], [7.355533860, 5.886680890], [-1.173746515, 16.12339963], [6.\
267990726, 4.458604950], [-6.943145529, 21.12521806], [9.310730149, 3.04723717\
9], [9.046371195, 3.300342385], [7.931718100, 6.645787212], [-4.736872015, 17.\
83819336], [3.196238692, 9.905817456], [-3.664052978, 15.27966790], [-.1008429\
89, 13.14293967]];