x1	x2	y
-1	-1	54.1
1	-1	66
-1	1	74.5
1	1	80.6
-1.4142135623731	0	68.1
1.4142135623731	0	89.2
0	-1.4142135623731	40.8
0	1.4142135623731	78
0	0	72.3
0	0	75.9
0	0	74.6
0	0	75.5