data := [[-6.624148172, -2.226475600], [2.779443597, 9.353614856], [2.46415362\
8, 7.897352739], [-.166285459, 6.154407640], [.742348042, 7.368311397], [-7.50\
0567327, -2.716109220], [6.018518927, 17.03967894], [-9.810018728, -5.06446641\
3], [6.318015409, 17.39538584], [-9.321245914, -4.774454335], [-5.556400799, 1\
.084032206], [-.127778955, 8.970721378], [3.147365206, 13.00957132], [1.497542\
437, 11.60152469], [10.23816619, 17.70361761], [9.155281009, 20.79839088], [-5\
.843243920, -2.131272997], [-9.196967588, -4.755804995], [4.515992208, 13.8743\
5296], [4.254222219, 14.31783845], [3.558192065, 9.581127701], [1.253847422, 
10.58480104], [-.939872098, 2.669992551], [3.736553419, 10.71071412], [-1.6358\
87192, 6.132837245]];