The movement of a robot through a $4$ x $4$ matrix of dots is controlled by issuing a series of commands:The $4$ available individual commands are:$234\%=$ move one dot North# $=$ move two dots East@ $=$ move two dots SouthX $=$ move one dot WestA"cDFor example, starting the robot on the blue square, the series of commands @#$\%$ will move the robot to square A$3.$