1. Add 2 units. Yourself as group leaderan infantry group in the editor, and a unit to command.
heading east (X direction).
2. Run forwardPreview and run east for 10 meters.
at least 30 seconds.
3. Aim to the left of your current direction and order him to move 10 meters in that direction. He will say "2, move back".
4. Aim 90° more to the left (So you face rear) and order him to move 10 meters in that direction.Stop, He will say "2,look west (back) and order any unit to move about 100 meters west. mHe'll say "Move left"t" instead of "Move back" because it's west.