x1 x2 y
-1 -1 88.55 
1 -1 85.80 
-1 1 86.29 
1 1 80.44 
-1.414 0 85.50 
1.414 0 85.39 
0 -1.414 86.22 
0 1.414 85.70 
0 0 90.21 
0 0 90.85 
0 0 91.31