ARRArray
(
    [AAA] => Array
        (
            [A] => Array
                (
                    [0] => 1
                    [1] => 2
                    [2] => 3
                )

            [B] => Array
                (
                    [0] => 45
                )

        )

    [BBB] => Array
        (
            [A] => Array
                (
                    [0] => 4
                    [1] => 5
                )

            [B] => Array
                (
                    [0] => 55
                    [1] => 66
                )

        )

    [CCC] => Array
        (
            [A] => Array
                (
                    [0] => 8
                    [1] => 9
                )

            [B] => Array
                (
                    [0] => 101
                    [1] => 102
                )

        )

)