data := [[4.353665174, -2.141870624], [-2.003369783, 1.438472099], [-3.8298902\
90, 5.065220958], [9.282650968, -7.081011391], [2.085932267, -1.904832374], [-\
7.238940245, 8.756646307], [-2.990190011, 2.866481384], [4.073767893, -2.11911\
4199], [8.834170700, -4.502172229], [-1.996076569, 2.775911689], [9.576344967,
-6.339054802], [.529021717, -.847283272], [2.326428158, -2.521567891], [-7.968\
272079, 7.765141066], [9.215209885, -7.585898078], [-7.489845588, 8.789152735]
, [-9.888890611, 9.837695670], [-2.887788890, 3.417917446], [-3.784314424, 6.4\
43127237], [-5.327610066, 7.949220907], [7.562966953, -4.243785712], [7.355979\
005, -2.984100231], [-6.211334018, 5.990571187], [-5.894488641, 6.646544250],
[-9.451268453, 9.656840610]];