www.mikescher.com/www/statics/euler/Euler_Problem-090.php

<?php

return 
[
	'number'      => 90,
	'date'        => '2016-05-21',
	'title'       => 'Cube digit pairs',
	'abbreviated' => false,
	'steps'       => 335326352,
	'time'        => 54366,
	'width'       => 80,
	'height'      => 45,
	'value'       => 1217,
];