well this is waaaaaaaaaaaaay too late but i think you need to put "," before so it goes lie=ke this

G0 X9.50 Y-27.40
G0 Z-9
G1 X-212.69 F500
G2 Y6.20 R17.20
G1 X6.20 ,R20 <-----
G1 Y-29.55...