www.mikescher.com/www/statics/euler/Euler_Problem-066.php

<?php

return 
[
	'number'      => 66,
	'date'        => '2015-07-14',
	'title'       => 'Diophantine equation',
	'abbreviated' => false,
	'steps'       => 262481767,
	'time'        => 55831,
	'width'       => 80,
	'height'      => 25,
	'value'       => 661,
];