step	influence_x	influence_y	dt	expected_velocity_x	expected_velocity_y	expected_position_x	expected_position_y
0	1	0	0.5	0.5	0	0.25	0
1	0	2	0.5	0.5	1	0.5	0.5
2	0	0	0.5	0.5	1	0.75	1
3	-1	0	0.5	0	1	0.75	1.5