(load "all.lisp")
(create_field X Y) 		; where X = width and Y = height of field
(set_goal X Y)			; where (X, Y) is the goal for the turtle to reach
(setf obs (little_obs X Y))	; where (X, Y) is the location of an obstacle
(turtle X Y)			; where (X, Y) is the starting location of the turtle