Dataset {
    Float32 L[L = 3];
    Float32 T2[T2 = 31];
    Grid {
     ARRAY:
        Float64 partial_L[L = 3][T2 = 31];
     MAPS:
        Float32 L[L = 3];
        Float32 T2[T2 = 31];
    } partial_L;
} partial_L;