HEIDENHAIN TNC 426B (280 472) Training ISO programming - Manual (Page 45)

Solution:
HEIDENHAIN Basic Course ISO G 426
Bolt hole circle segments with several tools
62187/4 F06
SPGM N180 G98 L1 *
N190 I+40 J+0 *
N200 L2,0 *
N210 I+110 J+0 *
N220 L2,0 *
N230 G98 L0 *
N240 G98 L2 *
N250 G10 G90 R+55 H+120 *
N260 G00 Z+5 M99 *
N270 G98 L3 *
N280 G10 G91 R-10 M99 *
N290 L3,3 *
N300 G10 G90 R+15 H+60 M99 *
N310 G98 L4 *
N320 G10 G91 R+10 M99 *
N330 L4,3 *
N340 G90 *
N340 G98 L0 *
N999999 %62187 G71 *