N10 G21
N20 G90
N30 M300 S30
N40 G04 P400.0
N50 G01 X2.0 Y0 Z0 F200.0
N60 G01 X-2.0 Y0 Z0 F200.0
N70 G01 X0 Y0 Z0 F200.0
N80 G01 X0 Y2.0 Z0 F200.0
N90 G01 X0 Y-2.0 Z0 F200.0
N100 M300 S40
N110 G04 P400.0
N120 G01 X50.0 Y0 F200.0
N130 M300 S30
N140 G04 P400.0
N150 G01 X52.0 Y0 Z0 F200.0
N160 G01 X48.0 Y0 Z0 F200.0
N170 G01 X50.0 Y0 Z0 F200.0
N180 G01 X50.0 Y2.0 Z0 F200.0
N190 G01 X50.0 Y-2.0 Z0 F200.0
N200 M300 S40
N210 G04 P400.0
N220 G21
N230 G90