data := [[-2.725472631, -14.46510227], [.24677949e-1, -9.975946326], [10.29744\
312, -.454059699], [-5.751138953, -14.33727945], [-9.111888509, -20.81281917],
[3.771737213, -6.806196524], [9.078800365, -.169199464], [10.38699266, .835681\
169], [-.408223735, -10.15338547], [-2.835965443, -13.67995173], [-4.000807699
, -15.14271196], [-2.554951460, -11.97348565], [6.096528292, -4.356319922], [7\
.639292484, -.105905398], [1.842408198, -7.629193484], [-.594094459, -10.91501\
008], [7.889710439, -1.290928880], [-3.561401693, -14.52126844], [-5.039290231
, -16.36054456], [-1.082995420, -11.75866718], [-3.823174126, -15.44492395], [
-4.819651085, -14.73321173], [1.890060633, -8.641614402], [9.532467649, .89835\
2274], [5.103505796, -3.867158486]];