Dataset {
    Int32 gid[gid = 2];
    Grid {
     ARRAY:
        Int32 ipc[gid = 2];
     MAPS:
        Int32 gid[gid = 2];
    } ipc;
    Byte label[gid = 2][7];
    Sequence { Sequence { Sequence { Float64 ordinate; Float64 abscissa; } ring; } polygon; } the_geom[gid = 2];
} waf201110;