x1	x2	y
-1	-1	81.3
1	-1	85.3
-1	1	83.1
1	1	72.7
-1.4142135623731	0	82.9
1.4142135623731	0	81.7
0	-1.4142135623731	84.7
0	1.4142135623731	57.9
0	0	82.9
0	0	81.2
0	0	82.4
0	0