Hmm... well, I struggled to get perl to interpret the rogue characters in a meaningful way, but this regex fixed them:

$value =~ s/\302\267/\./;
[download]

map{$a=1-$_/10;map{$d=$a;$e=$b=$_/20-2;map{($d,$e)=(2*$d*$e+$a,$e**2
-$d**2+$b);$c=$d**2+$e**2>4?$d=8:_}1..50;print$c}0..59;print$/}0..20
[download]