"x1 (in.)","x2 (in.)","y"
-1.2,-1.2,.858
-1.2,0,3.156
-1.2,1.2,3.644
0,-1.2,4.281
0,0,3.481
0,1.2,3.918
1.2,-1.2,4.136
1.2,0,3.364
1.2,1.2,4.018