Challenge

robot 1 1 N
wall 1 1 N
wall 1 2 E
wall 2 2 N
wall 2 3 E
wall 3 3 N
wall 3 4 E
wall 4 4 N
wall 4 5 E
wall 5 5 N
wall 5 6 E
wall 6 6 N
beepers 1 2 1
beepers 2 2 1
beepers 2 3 1
beepers 3 3 1
beepers 3 4 1
beepers 4 4 1
beepers 4 5 1
beepers 5 5 1
beepers 5 6 1
beepers 6 6 1