data := [[-3.813335447, 4.322624336], [-7.278392680, 11.34578173], [6.27444290\
4, -10.41714205], [-.118244335, .562867825], [-4.439447381, 5.805223643], [4.4\
06307841, -11.08907432], [-9.661249258, 13.06027907], [10.26846137, -16.687514\
81], [-9.044819984, 9.206399602], [10.77871608, -18.96520267], [-3.373778534,
3.027772209], [-3.943577553, 5.985268508], [6.149057018, -12.74081917], [4.021\
061037, -7.510622129], [9.321514418, -19.37696810], [10.36315675, -18.51324459
], [-2.127181851, 2.830744522], [-2.774048436, 1.704817674], [5.145873006, -12\
.19947940], [-1.637687417, .28296678e-1], [-3.089004752, .892752609], [-4.5824\
13513, 5.219796436], [4.244577950, -11.52489378], [9.102037461, -16.98174089],
[4.788421172, -9.247553158]];