G40 G90
G54
G21 G17
G8

S600 M3
o<w>call[1][2][40][3][33]
G00 Z5.000000

G00 X0 Y12.5

G01 Z-0.125000 F100
G01 X12.5 Y12.5 F400
G01 X12.5 Y0 
G01 X0 Y0
G01 X0 Y12.5 
G01 X12.5 Y0
G00 Z5

M5
G00 X0.0000 Y0.0000
M2