Array
(
    [Europa] => Array
        (
            [0] => Polska
            [1] => Niemcy
            [2] => Czechy
            [3] => Francja
        )

    [Azja] => Array
        (
            [0] => Rosja
            [1] => Chiny
            [2] => Indie
            [3] => Japonia
        )

    [Afryka] => Array
        (
            [0] => RPA
            [1] => Etiopia
            [2] => Egipt
            [3] => Ghana
        )

    [Ameryka] => Array
        (
            [0] => USA
            [1] => Kanada
            [2] => Argentyna
            [3] => Brazylia
        )

)