N1 G91
N2 #500=#13*360		;S=#13
N3 #501=360*#20/#5	;F=#5,Z=#20
N4 G01 A#501 Z#20 F#500	;Z=#20
N5 G04 X#3		;D=#3
N6 G01 A-#501 Z-#20 F#500
N7 G90
N8 M99
N9 

