data := [[8, 18.09168478], [-7.303752198, 21.57944236], [-5.024946845, 20.3346\
2628], [-4.416930886, 20.21820710], [7.990940502, 13.76688907], [3.155107849,
16.35426561], [-4.412299452, 19.84880040], [-10.03287922, 21.10214979], [-8.06\
3628767, 21.04988110], [-.53696196e-1, 18.23671283], [6.328966629, 14.52329337
], [8.383006184, 12.95360233], [-4.445559986, 20.37836348], [8.787394509, 14.3\
6476120], [3.696421215, 17.07382333], [-2.346208690, 19.72483510], [-.90411985\
4, 18.83720403], [-8.525625409, 21.06814137], [9.241059590, 13.05697524], [6.5\
32767973, 15.95397732], [8.515695153, 13.34852998], [-.242724903, 18.26300445]
, [-3.024493153, 19.64910494], [-7.611947763, 22.38998561], [-9.377049656, 22.\
20749464], [5.165453054, 16.10897598]];