HEIDENHAIN TNC 320 User Manual page 196

10 LBL 1 Contour subprogram
11 L X+0 Y+15 RL
12 L X+5 Y+20
13 CT X+5 Y+75
14 L Y+95
15 RND R7.5
16 L X+50
17 RND R7.5
18 L X+100 Y+80
19 LBL 0
20 END PGM C25 MM
196 Fixed Cycles: Contour Pocket