#!/usr/local/bin/perl
sub
sub { rand 39 / 999 }
sub O123 { printf "" . "\e[" . "%d" . ";%d" . "" . "H%s",@_ }
sub l234 { O123 $|=1,1, "\e[J" }
while (1) {
   $c or
   do {
      l234;
      $u=⊂
      $v=⊂
      $c=3999;
      $b=qw/39 9 1/[int rand 3];
   };
   O123 11*sin($v*$c)+13, 39*cos($u*$c)+41, qw+J A P H+[$c%4];
   ($a++%$b) or $c--;
}
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