Array
(
    [0] => Array
        (
            [0] => 7
            [1] => 17
            [2] => 19
            [3] => 24
            [4] => 25
            [5] => 33
            [6] => 36
        )

    [1] => Array
        (
            [0] => 1
            [1] => 5
            [2] => 6
            [3] => 8
            [4] => 18
            [5] => 25
            [6] => 30
        )

    [2] => Array
        (
            [0] => 8
            [1] => 9
            [2] => 15
            [3] => 27
            [4] => 31
            [5] => 32
            [6] => 35
        )

)