depth,st1,st2
0,0,0
0.019,0.45,1
0.038,4.5,2
0.057,16.29,2.5
0.076,39.6,30
0.094,66.78,60
0.113,124.38,100
0.132,188.82,110
0.151,243.45,102
0.17,300.69,80
0.189,342.9,150