Array
(
    [0] => Array
        (
            [0] => 7
            [1] => 12
            [2] => 17
            [3] => 23
            [4] => 31
            [5] => 32
            [6] => 35
        )

    [1] => Array
        (
            [0] => 8
            [1] => 11
            [2] => 18
            [3] => 21
            [4] => 29
            [5] => 32
            [6] => 34
        )

    [2] => Array
        (
            [0] => 1
            [1] => 9
            [2] => 14
            [3] => 19
            [4] => 20
            [5] => 23
            [6] => 35
        )

)