%Start
G90
G54 X0 Y0 Z0
G54
G71 T1 M06
M03
S4000
F25 

G01 Z1
G01 X73 Y130
G01 Z-0.25
G01 X73 Y130
G01 X73 Y172
G01 X17 Y172
G01 Z1
M30