www.mikescher.com/www/statics/euler/Euler_Problem-079.php

<?php

return 
[
	'number'      => 79,
	'date'        => '2015-09-09',
	'title'       => 'Passcode derivation',
	'abbreviated' => false,
	'steps'       => 12040,
	'time'        => 0,
	'width'       => 56,
	'height'      => 21,
	'value'       => 73162890,
];