N10 G94 G90 G01 X0 Y0 Z0 F2000
G8
X0    Y10 Z0 
X60  Y10 Z0 
X10  Y10 Z0 
X20  Y20
X50 Y50 F4000
X90 Y90 
X15 Y80 F3000
X90 Y90 F2000
G9
X0    Y10 Z0 
X60  Y10 Z0