Robot 4 4 W 32 Wall 3 3 E Wall 3 5 E 3 Wall 4 7 N Wall 6 7 N 3 Wall 10 7 N 2 Wall 11 3 E Wall 11 5 E Wall 11 7 E Wall 9 2 N Wall 11 2 N Wall 4 2 N 2 Wall 7 2 N