Array
(
    [0] => keywords
    [1] => obstacle-course-1-2-3-4-5-6-7-8-9-8-9-1-2-1-2-3-4-1-2-1-2-3-4-5-6-7-6-5-6-7-6-5-4-5-1-2-3-2-3-4-3-2-3-4-3-2-3-2-3-4-5-6-7-6-5-4-3-2
    [2] => page
    [3] => -3
)