Dataset {
    Float32 X[X = 1152];
    Int32 Z[Z = 1];
    Float32 M[M = 4];
    Grid {
     ARRAY:
        Float64 partial_M[M = 4][Z = 1][X = 1152];
     MAPS:
        Float32 M[M = 4];
        Int32 Z[Z = 1];
        Float32 X[X = 1152];
    } partial_M;
} partial_M;