data := [[-.384331226, -1.258180761], [1.718027705, 9.048970531], [4.813528009
, 13.61520068], [8.863809095, 15.94826937], [8.689033272, 21.82304240], [7.028\
943888, 14.10114606], [5.889685699, 11.71442684], [8.608853733, 16.92296228],
[-3.712609942, -3.778950509], [5.564090803, 13.31421702], [4.203676750, 7.6303\
62759], [10.80402224, 21.31761247], [-.430089300, 2.376094841], [-1.138037494,
-1.173338971], [-6.737880903, -14.75951360], [-2.477269271, -5.057533279], [-4\
.992986339, -9.864638980], [5.832782026, 13.52863930], [-.6430126655, 3.144623\
905], [5.604953785, 16.01578782], [8.500043584, 18.15737732], [5.913574461, 14\
.68717695], [4.519190514, 13.03100380], [10.05585778, 22.48232327], [2.6128615\
82, 7.668984550]];