data := [[-2.583221990, 8.163004118], [.879947950, 15.58585094], [-5.754207042
, 2.502930374], [1.188032916, 15.31661059], [4.212373765, 22.73952359], [-9.23\
0729618, -4.685225084], [-7.283042249, -4.398684957], [2.318323875, 14.8873249\
0], [-10.40242805, -5.657902799], [-.135816142, 8.719766130], [5.983902833, 22\
.19330582], [-5.736582152, 1.699087977], [5.323898509, 26.10340796], [7.877738\
844, 28.36361704], [2.550182593, 19.39749918], [8.228104536, 27.90961243], [-2\
.536243114, 6.930208905], [5.004090987, 26.38624601], [-1.147517540, 13.631823\
99], [-1.934645139, 8.061379397], [-.6961319644, 11.22394676], [6.033189361, 
23.79989468], [-8.161643536, -6.686152406], [-8.477688302, -5.414761708], [6.0\
23592664, 27.96382941]];