data := [[-1.685818740, 9.441171140], [.383114964, 5.799023836], [8.115365592,
-.407290730], [-8.987419920, 13.65957905], [11.10351316, -2.670619562], [-2.98\
0156910, 10.16299866], [2.352887280, 4.610665852], [.8755115927, 7.228952997],
[2.709983405, 7.718684173], [3.484422286, 4.554768083], [-6.523638801, 15.0519\
2707], [5.876098479, 3.066070173], [4.954063323, 2.228500723], [8.992645366, .\
193616062], [5.017697885, 4.248153311], [-6.464482868, 12.06849750], [-3.64664\
1180, 9.442998017], [3.506640736, 5.416917534], [-.467581089, 7.130126125], [8\
.997176379, .285578139], [9.222540999, -.895880520], [-3.712021412, 12.0081043\
5], [-1.518395598, 7.087975325], [-3.874276097, 11.41396938], [8.289956864, -.\
299194121]];