Dataset {
    Float32 S[S = 2];
    Float32 L[L = 1];
    String C[C = 3];
    Grid {
     ARRAY:
        Float64 partial_X[L = 1][S = 2][C = 3];
     MAPS:
        Float32 L[L = 1];
        Float32 S[S = 2];
        String C[C = 3];
    } partial_X;
} partial_X;