Facing pass
OD rough G71 & finish pass G70
http://postimg.org/image/6ji1braof/full/

G18 G21
G50 S2000
G97 S400
G96 S35
T01

G0 X102 Z0
G1 X-1 F0.2 M8
Z1
G0 X100
(canned cycle)
G71 P100 Q200 D5.0 F0.2 U1.0 W0.05
P100 Z0 X30
G1 Z-40 X50
Z-100
X70
Z-130
P200 X100
G70 P100 Q200
G0 Z1 M9
M5
M30