0,-1.5
0.2,-0.07235074
1.6,1.001465
2.3,2.143537
2.7,0.2893944
4.1,-0.7269871
4.6,-1.230933
4.9,-1.699854
5.1,-2.143537
5.2,-1.4144
5.5,-0.2893944
6.5,0.4304405