Dataset {
    Float32 T[T = 12];
    Float32 Y[Y = 268];
    Grid {
     ARRAY:
        Float32 rfe_merged[T = 12][Y = 268];
     MAPS:
        Float32 T[T = 12];
        Float32 Y[Y = 268];
    } rfe_merged;
} rfe_merged;