data := [[-1.957191106, .646681801], [6.098669997, -4.001210488], [3.353509756 , -3.898093564], [7.934355792, -8.671605259], [6.168350816, -6.867152774], [4.\ 860194338, -5.278299941], [-4.964121843, 4.241801146], [-.386254199, -.8444424\ 55], [9.019458109, -7.449286706], [8.866446643, -10.55694061], [-3.036160088, 2.932465152], [-7.033439026, 7.507457115], [-7.458142927, 5.164379320], [2.753\ 438839, -1.475461628], [1.669511008, -2.099171641], [-6.048021910, 6.318852591 ], [-1.106994749, 1.157147147], [7.648322554, -6.766595816], [1.263361795, -2.\ 488005043], [5.126045239, -6.367765909], [-1.657770373, .9034800842], [-2.9477\ 77420, 2.822030987], [-7.101409866, 4.908910643], [.923384447, -2.446388535], [-4.118769117, 4.378298358]];