Dataset {
    Float32 nv[nv = 2];
    Float32 X[X = 360];
    Grid {
     ARRAY:
        Float32 lon_bounds[X = 360][nv = 2];
     MAPS:
        Float32 X[X = 360];
        Float32 nv[nv = 2];
    } lon_bounds;
} V1p3;