www.mikescher.com/www/statics/euler/Euler_Problem-060.php

<?php

return 
[
	'number'      => 60,
	'date'        => '2015-06-06',
	'title'       => 'Prime pair sets',
	'abbreviated' => true,
	'steps'       => 8609996835,
	'time'        => 2032350,
	'width'       => 3323,
	'height'      => 3360,
	'value'       => 26033,
];