Dataset {
    Float32 S[S = 18];
    Float32 X[X = 56];
    String C[C = 3];
    Grid {
     ARRAY:
        Float64 partial_X[S = 18][C = 3][X = 56];
     MAPS:
        Float32 S[S = 18];
        String C[C = 3];
        Float32 X[X = 56];
    } partial_X;
} partial_X;