rostopic pub -1 /cmd_vel geometry_msgs/Twist -- "[0.32,0.0,0.0]" "[0.0,0.0,0.0]"
rostopic pub -1 /cmd_vel geometry_msgs/Twist -- "[0.0,0.0,0.0]" "[0.0,0.0,0.7]"
rostopic pub -1 /cmd_vel geometry_msgs/Twist -- "[0.0,0.0,0.0]" "[0.0,0.0,0.0]"
