28, 'title' => 'Number spiral diagonals', 'description' => function(){ return file_get_contents(__DIR__ . '/Euler_Problem-028_description.md'); }, 'code' => function(){ return file_get_contents(__DIR__ . '/Euler_Problem-028.b93'); }, 'explanation' => function(){ return file_get_contents(__DIR__ . '/Euler_Problem-028_explanation.md'); }, 'url_euler' => 'http://projecteuler.net/problem=028', 'url_raw' => 'https://raw.githubusercontent.com/Mikescher/Project-Euler_Befunge/master/processed/Euler_Problem-028.b93', 'url_github' => 'https://github.com/Mikescher/Project-Euler_Befunge', 'abbreviated' => false, 'steps' => 28514, 'time' => 15, 'width' => 54, 'height' => 2, 'value' => 669171001, ];