data := [[-1.797043971, 9.211442676], [-.530247454, 9.224673491], [-3.18039492\
4, 2.685671686], [-5.105976504, 2.591182776], [4.371875013, 18.08248674], [1.1\
38680650, 13.37495780], [5.294921931, 18.37835016], [10.52217738, 30.47341507]
, [4.735168989, 16.46024030], [9.708398596, 31.05683683], [-6.568819549, -3.31\
7105818], [-6.648962889, -2.030687072], [4.357437035, 23.50552912], [-.3682906\
10, 8.172227453], [6.456927633, 24.61053827], [-1.008735954, 7.279172824], [4.\
291328428, 18.42587420], [3.313612462, 16.17782579], [-7.439843428, -3.1438596\
08], [-5.995482709, -.791670843], [7.957402774, 29.11106163], [8.449656568, 27\
.86435582], [-6.682061628, -2.189700387], [-8.567753386, -2.766018054], [3.153\
913095, 15.58907056]];