Or 26 in the quarter turn metric http://www.cube20.org/qtm/ http://www.cube20.org/qtm/ which is probably what matters for a robot, since 180 degree turns take l

Or 26 in the quarter turn metric http://www.cube20.org/qtm/ http://www.cube20.org/qtm/ which is probably what matters for a robot, since 180 degree turns take longer than 90 degree turns?