O912(SQUARE without G12.1)
M1
(No G109L1, G53 or M302 because I was running this as a sub of a mazatrol program)
M200
T023023
S4053 M203 M8
G00 C0.0
G00 X0.0 Y-2.0 Z0.1
G01 Z0.0 F8.0 
X-1.0 Y-1.0 F16.213
X0.0 Y0.0
X1.0 Y-1.0
X0.0 Y-2.0
G00 Z0.1
G28 U0 M205 M9
G28 W0
M99 (no M30 because I was running this as a sub of a mazatrol program)