(Lego mindstorm robot) the four directions

We should install the robot according to the attached figure 

Materials

1- Tablet with mindstorm app

2- Mindstorm robot build as the attached figure

Step  1 : the programing template

Control the robot in four directions, according to the figure

forward ____ back ____ right ____ left

Step  2 : challenges

Make the robot go as the attached figure by changing the directions