#100 = 0; (counter from 0 till 20)

#101 = 0; (coord X)

#102 = 0; (coord Y)

G17 G21 G90 G54 G80 G40 G23 G49;

M06 T1;

M03 S12000;

G43 H1;

N10 IF [#100 EQ 20] THEN M30;

G00 X#101 Y#102 Z20;

Z5.;

G01 Z-5. F1000;

X150. F1750;

G00 Z20.;

#101 = #101 + 10;

#102 = #102 + 12;

#100 = #100 +1;

GOTO 10;