#!/usr/bin/perl -w
use strict;
use Tk;
my$mw=MainWindow->new;$mw->geometry(#>$(#@)
"700x700");my$c1=$mw->Canvas(-background=>#)(*#$
'black',-height=>700,-width=>700)->pack;my#K(\x23$_
$ax="F_+_F_+_F_+_F";my$rr="F_-_F_+_F_+_F_-_F";#)(*@#(klskld(@#*#()
my($phi,$x1,$y1,$x2,$y2,$ll)=(0,185,500,185,500,4);for(my$i=#%z
1;$i<5;$i++){$ax=~s/F/$rr/g;}$ax=~s/\s//g;my@arx=split(/_/,#@++--1
$ax);for(@arx){if($_ eq#$_1f#(!)#Skwio)*#
"+"){$phi += 90;if($phi>=360){$phi=$phi-360###@()(*)
;}}elsif($_ eq"-"){$phi-=90;if($phi##map{}
<0){$phi=360+$phi;}}if ($_ eq"F"){$x1=$x2;$y1=$y2;if($phi#$#<2*#$
==0){$x2+=$ll;}elsif($phi==90){$y2 -= $ll;}elsif(#$^%&*
$phi==180){$x2-=$ll;}elsif($phi==270){$y2+=$ll;}ml($x1,$y1,#__--0(*())
$x2,$y2);$mw->update;}}$c1->createText(350,350,
-text=>"\x50\x20\x45\x20\x52\x20\x4C\x20\x20
\x20\x20\x4D\x20\x4F\x20\x4E\x20\x4B\x20\x53",#*#(())
-fill=>'white',-width=>300);MainLoop;sub#->\x25
ml{$c1->createLine($_[0],$_[1],$_[2],$_[3],-fill=>'white');}