data := [[4.365778241, 22.62127905], [.8645612564, 21.96761654], [-3.549365572
, 15.38373276], [6.680849867, 26.88419089], [-5.392401062, 12.51168680], [-.97\
7995204, 16.19066858], [-10.47514462, 8.254143198], [4.880208370, 21.71382608]
, [-4.357360820, 14.57499451], [-6.791939350, 11.30912493], [.511524710, 18.08\
125107], [3.405453407, 22.11580426], [3.643329458, 24.52502624], [-7.766533507
, 9.194941740], [3.847083899, 22.97577565], [8.157406787, 28.05252456], [-4.68\
1558321, 13.88278248], [-9.203936148, 8.604255717], [-1.666562387, 16.63018398
], [-7.054088388, 9.749308828], [-3.538301160, 15.36095518], [-5.239250271, 15\
.10179148], [-3.264556002, 13.77735582], [-4.932516914, 11.85280616], [3.41687\
3327, 20.94190449]];