DDCSV problem

cnc_problem.nc

O0000
N100 G21
N110 G0 G17 G40 G49 G80 G90
N120 T5 M6
N130 G0 G90 X3. Y-3.
N140 G43 H5 Z15.

N150 G1 Z10 F1000.
N160 G1 X95.5 F3000.
N170 G3 X97.621 Y-2.121 I0. J3.
N180 G1 X100.621 Y.879
N190 G3 X101.5 Y3. I-2.121 J2.121
N200 G1 Y95.5
N210 G3 X100.621 Y97.621 I-3. J0.
N220 G1 X97.621 Y100.621
N230 G3 X95.5 Y101.5 I-2.121 J-2.121
N240 G1 X3.
N250 G3 X.879 Y100.621 I0. J-3.
N260 G1 X-2.121 Y97.621
N270 G3 X-3. Y95.5 I2.121 J-2.121
N280 G1 Y3.
N290 G3 X-2.121 Y.879 I3. J0.
N300 G1 X.879 Y-2.121
N310 G3 X3. Y-3. I2.121 J2.121
N320 G1 Z9 F1000.
N330 G1 X95.5 F3000.
N340 G3 X97.621 Y-2.121 I0. J3.
N350 G1 X100.621 Y.879
N360 G3 X101.5 Y3. I-2.121 J2.121
N370 G1 Y95.5
N380 G3 X100.621 Y97.621 I-3. J0.
N390 G1 X97.621 Y100.621
N400 G3 X95.5 Y101.5 I-2.121 J-2.121
N410 G1 X3.
N420 G3 X.879 Y100.621 I0. J-3.
N430 G1 X-2.121 Y97.621
N440 G3 X-3. Y95.5 I2.121 J-2.121
N450 G1 Y3.
N460 G3 X-2.121 Y.879 I3. J0.
N470 G1 X.879 Y-2.121
N480 G3 X3. Y-3. I2.121 J2.121

N1490 G0 Z15.
N1500 M5
N1530 M30