HEIDENHAIN iTNC 530 User Manual page 270

N70 X+15 Y+10 M3 *
N80 L1.0 *
N90 X+45 Y+60 *
N100 L1.0 *
N110 X+75 Y+10 *
N120 L1.0 *
N130 G00 Z+250 M2 *
N140 G98 L1 *
N150 G79 *
N160 G91 X+20 M99 *
N170 Y+20 M99 *
N180 X-20 G90 M99 *
N190 G98 L0 *
N99999999 %SP1 G71 *
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Move to starting point for group 1
Call the subprogram for the group
Move to starting point for group 2
Call the subprogram for the group
Move to starting point for group 3
Call the subprogram for the group
End of main program
Beginning of subprogram 1: Group of holes
Call cycle for 1st hole
Move to 2nd hole, call cycle
Move to 3rd hole, call cycle
Move to 4th hole, call cycle
End of subprogram 1
Programming: Subprograms and Program Section Repeats