rendered paste body#!/usr/bin/php<?php$size = 1000;$target = str_repeat('9', 2500);$digits = range(0, $size - 1);$perms = array(1 => 1);for ($i = 2; $i < $size; $i++) { $perms[$i] = bcmul($perms[$i - 1], $i);}$perms = array_reverse($perms);if (bccomp($target, bcmul($size, $perms[0])) == 1) { die("Warning: target permutation exceeds total permutations!\n");}else { print('Permutation:' . "\t" . (double) $target . "\n"); print('Set size:' . "\t" . $size . "\n\n");}$values = array();foreach ($perms as $n) { $values[] = floor(bcdiv($target, $n)); $target = bcmod($target, $n);}foreach ($values as $i => $m) { print($digits[$m] . ","); unset($digits[$m]); sort($digits); if ($i%30 == 29) { print("\n"); }}print("$digits[0]\n");?>