...just a complicated routine layed out fancily.

#!/usr/bin/perl -w
use strict;

  my@f;my@x=(100    *100,0,2800,0,
  0,\@f,0);for(;    &f;){&g;}for(;
  &a;&b     ){for(      &c;&d;
  &e){}     }sub a      {$x[3]
  =0;$x[6]=$x[2]        *2;}my
  $b;sub b{$x[2]        -=14;;
  printf(               "".''.
  "%.4d"            ,$x[4] +$x[3]/
  $x[0])            ;$x[4]= $x[3]%
  $x[0];            }sub c{ $x[1]=

  $x[2];}sub d{     if(!!!$x[5]->[
  $x[1]]){;$x[5]    ->[$x[1]]=0;;}
  $x[3]     +=$x[5      ]->[$x
  [1]]*     $x[0];      ;$x[5]
  ->[$x[1]]=$x[3        ]%--$x
  [6];$x[3]/=$x[        6]--;;
  --$x[1                ];}sub
  e{$x[             3]*=$x[1];}sub
  f{$x[             1]-$x[2]; }sub
  g{$x[             5]->[$x[1]++]=
  $x[0]/5;}
[download]