data := [[6.983640524, 2.205829842], [-9.443325158, 20.65556263], [-2.75473910\
4, 13.02729647], [5.026963507, 5.212371912], [6.858334142, 2.312597869], [10.9\
4170478, .761649102], [-8.425010429, 19.27867414], [9.698629024, -1.940004128]
, [4.050451738, 5.645874794], [-5.793380996, 15.15028158], [.775583880, 10.138\
91579], [-7.941739211, 17.85113824], [4.273617967, 7.010689640], [3.048034341,
5.582128435], [.458474492, 8.177382004], [4.491160376, 4.813665786], [.4500679\
37, 10.24223560], [-2.556629264, 14.14310495], [-.3982472404, 10.13327706], [4\
.400963529, 5.215615642], [3.692241593, 5.343268417], [8.277479709, 2.08147387\
7], [4.571990320, 4.409885231], [-5.590381799, 15.19827686], [-1.878245565, 12\
.01615408]];