%name_keyed = (
    christine => [ 1, "New York" ],
    murray => [ 2, "Redmond" ],
    kumar => [ 3, "Sunnyvale" ],
);

##</code><code>##

%name_keyes = (
    christine => [
        [ 1, "New York" ],
        [ 4, "Salt Lake City" ]
    ],
    ....
);