N10 G90 G94 G17 G49 G40.1 G80 G21 G28 Z0.
N20 G90 G54 X-75 Y-75 S500 M3 (Start Spindle)
N30 G43 H01 Z100.
N40 Z5.
N50 G01 Z-20 F100.
N60 X-50 Y-50 F1500.
N70 G00 Z100.
N80 M30
