Dataset {
    Float32 L[L = 4];
    Float32 T2[T2 = 31];
    Grid {
     ARRAY:
        Float64 partial_Y[L = 4][T2 = 31];
     MAPS:
        Float32 L[L = 4];
        Float32 T2[T2 = 31];
    } partial_Y;
} partial_Y;