data := [[8, -2.933662520], [-.1332547242, -5.103571827], [8.163186949, -7.064\
369562], [-4.280881093, -5.260244356], [8.484090435, -6.277662585], [7.8446962\
27, -7.372663499], [7.845541496, -7.803986358], [9.898464633, -6.546526903], [
1.904302872, -6.015873381], [-.6509886597, -5.867535188], [6.728364805, -5.830\
758525], [.11152742e-1, -6.539237313], [-3.191929150, -6.691018046], [.5259525\
930, -5.211648207], [-8.486648220, -4.716972082], [2.505111854, -7.255656120],
[-6.230833061, -6.330950470], [8.715598130, -6.486501810], [-5.501496122, -6.0\
15299645], [-4.327207187, -5.405270354], [5.670298604, -7.135190807], [.194296\
224, -5.300560460], [-5.711327706, -4.965809534], [-8.378680539, -4.395129144]
, [-9.422171771, -5.201735630], [-6.661534585, -5.086429526]];