www.mikescher.com/www/statics/euler/Euler_Problem-080.php

<?php

return 
[
	'number'      => 80,
	'date'        => '2015-09-11',
	'title'       => 'Square root digital expansion',
	'abbreviated' => false,
	'steps'       => 540417723,
	'time'        => 116439,
	'width'       => 69,
	'height'      => 18,
	'value'       => 40886,
];