"kxx v time
0.0000000000000	-0.0000000000000
0.0250000000000	-0.0009698136032
0.0500000000000	-0.0017864957151
0.0750000000000	-0.0023578036472
0.1000000000000	-0.0026809692879
0.1250000000000	-0.0028129276692
0.1500000000000	-0.0028506769648
0.1750000000000	-0.0028556627117
0.2000000000000	-0.0028591691853
0.2250000000000	-0.0028555296144
0.2500000000000	-0.0028583347056