Moving the robot to a new position 90 mm to the left

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Can anyone help me with this i need to pickup some screws from the same places and each time i need to go pack 90 mm to the left. Bellow is my code planner.manualPose ("pose1",25.0) is the position i need to change every time the robot completes a circle.

If anyone can help would be appreciated, thank you!

#include <robot/ScanNPlan.h>
#include <iostream>

#include "std_msgs/MultiArrayLayout.h"
#include "std_msgs/MultiArrayDimension.h"
#include "std_msgs/Int32MultiArray.h"

#include "tf2_ros/transform_listener.h"
#include "tf2_geometry_msgs/tf2_geometry_msgs.h"

int main(int argc, char **argv)
{
    ros::init(argc, argv, "robot");
    ros::AsyncSpinner async_spinner(1);
    async_spinner.start();

    ros::NodeHandle nh;
    ros::NodeHandle private_node_handle ("~");

    std::string base_frame;
    private_node_handle.param<std::string>("base_frame", base_frame, "world"); 

    ros::Publisher hand_control_pub = nh.advertise<std_msgs::Int32MultiArray>("hand_control", 100);
    int array[] = {0,0,0,0};
    std::vector<int> hand_target (array, array + sizeof(array) / sizeof(int) );

    std_msgs::Int32MultiArray pub_msg;

    ScanNPlan planner(nh, false);


    ros::Duration(.5).sleep();  // wait for the class to initialize

    ros::Rate loop_rate(1);

    //-- The main loop
    while (ros::ok()) {

    planner.manualPose("pose1", 25.0);
    planner.manualPose("pose2",10.0);
    planner.manualPose("pose3", 25.0);
    planner.manualPose("pose4",25.0);
    planner.manualPose("pose5",25.0);
    planner.manualPose("pose6",10.0);
    planner.manualPose("pose7",25.0);
        ros::spinOnce();
        loop_rate.sleep();
    }
    ros::waitForShutdown();
}