data := [[-8.024555615, -13.88038819], [-7.387186008, -11.73286910], [.3850517\
74, -6.126149077], [-2.673057443, -8.297730706], [-1.490230285, -10.33047975],
[-4.364129493, -11.69476496], [5.172522694, -2.275918096], [2.482697972, -5.08\
7842354], [-3.885234495, -11.24166794], [-8.321463431, -13.28635895], [8.45855\
8750, -.473634592], [-6.175203069, -12.20699194], [1.329279752, -7.464495996],
[3.917045671, -2.502281677], [3.889080921, -3.005319862], [7.483907222, -.9484\
89454], [1.376786871, -5.468381278], [10.44296026, 2.104643721], [6.790314284,
-.140226372], [1.383948312, -3.657322200], [6.703729059, .962419747], [5.42858\
5711, -.288258031], [7.716602196, -1.685482405], [.1093021e-2, -7.601886159],
[2.531161898, -4.617678119]];