( 1:9 solution - F300, M3 s0.058, M4 s1 )

o<matrix1> sub
o101 repeat [1]
        G0 Z#<_d_z>

	M3 S#<_ccws> 

	

    #<_step_> = 0

    WHILE [#<_step_> LE 7] DO1

        G1 X[#<_start_x> + 10.0] F100.0

        G1 Y[#<_start_y> + #<_step_>] (The + indicates what cooridate it moves in that direction)
	G1 X[#<_start_x>]
	
        #<_step_> = #<_step_> + 1 (Increase #100 by 1 each iteration of the loop)

    END1

    #<_step_> = 10

    WHILE [#<_step_> LE 7] DO1

	G1 X[#<_start_x>]

        G1 Y[#<_start_y> + 10.0]
	
        G1 X[#<_start_x> + <_step_>]
	
	G1 Y[#<_start_y>] 
	
        #<_step_> = #<_step_> - 1 (Increase #100 by 1 each iteration of the loop)

    END1
	
	G1 X[#<_start_x> ]
	
        G1 Y[#<_start_y> ]


	M5
	M4 S#<_cws> 
	G4 P .5
	M5	
	#<_d_z> = [#<_d_z> + 1]
	#<_d_z_1> = [#<_d_z_1> + 1]
       	G0 Z#<_d_z_1>
	(G0 X#<_start_x> Y#<_start_y>)
o101 endrepeat

o<matrix1> end sub