#100 = 0;
G17 G54 G90 G21
N15 G00 X0.Y0.;
N20 IF [#100 EQ 10] THEN GOTO 30;
X100.Y0.;
X100.Y100.;
X0.Y100.;
X0.Y0.;
#100 = #100 + 1;
GOTO 20;
N30 M30;