Array
(
    [601] => Array
        (
            [ID] => 7807
            [CODE] => instrument
            [NAME] => ИНСТРУМЕНТ
            [parent] => 
            [LEVEL] => 1
            [LEFT_MARGIN] => 601
            [RIGHT_MARGIN] => 842
            [IS_PARENT] => 1
            [CNT] => 10
        )

    [664] => Array
        (
            [ID] => 7833
            [CODE] => diski
            [NAME] => ДИСКИ
            [parent] => 7807
            [LEVEL] => 2
            [LEFT_MARGIN] => 664
            [RIGHT_MARGIN] => 687
            [IS_PARENT] => 1
            [CNT] => 10
        )

    [677] => Array
        (
            [ID] => 7840
            [CODE] => diski_otreznye_almaznye
            [NAME] => ДИСКИ ОТРЕЗНЫЕ АЛМАЗНЫЕ
            [parent] => 7833
            [LEVEL] => 3
            [LEFT_MARGIN] => 677
            [RIGHT_MARGIN] => 678
            [IS_PARENT] => 0
            [CNT] => 10
        )

)

Array
(
    [601] => Array
        (
            [ID] => 7807
            [CODE] => instrument
            [NAME] => ИНСТРУМЕНТ
            [parent] => 
            [LEVEL] => 1
            [LEFT_MARGIN] => 601
            [RIGHT_MARGIN] => 842
            [IS_PARENT] => 1
            [CNT] => 10
        )

    [664] => Array
        (
            [ID] => 7833
            [CODE] => diski
            [NAME] => ДИСКИ
            [parent] => 7807
            [LEVEL] => 2
            [LEFT_MARGIN] => 664
            [RIGHT_MARGIN] => 687
            [IS_PARENT] => 1
            [CNT] => 10
        )

)

Array
(
    [664] => Array
        (
            [677] => Array
                (
                    [ID] => 7840
                    [CODE] => diski_otreznye_almaznye
                    [NAME] => ДИСКИ ОТРЕЗНЫЕ АЛМАЗНЫЕ
                    [parent] => 7833
                    [LEVEL] => 3
                    [LEFT_MARGIN] => 677
                    [RIGHT_MARGIN] => 678
                    [IS_PARENT] => 0
                    [CNT] => 10
                )

        )

)