or download this
use strict;
use warnings;
...
my @x = map { (srand(1) * $_) % 9 } (28, 34, 57);
print '@x: ', Dumper(\@x), "\n"; # 1 7 3
print $x[0] . ($x[0] * 2) . ($x[0] * 2 * 2 / 2) . " " . chr(48) . ($x[
+2] * 3) . "." . ($x[2] + 1) . chr(0x30) . (($x[1] % 4) - 3) . "\n";