Array
(
    [0] => Array
        (
            [0] => 3
            [1] => 4
            [2] => 5
        )

    [1] => Array
        (
            [0] => 6
            [1] => 7
            [2] => 8
        )

    [2] => Array
        (
            [0] => 9
            [1] => 7
            [2] => 8
        )

)