Dataset {
    Float32 M[M = 5];
    Float32 T[T = 12];
    Float32 Y[Y = 767];
    Int32 Z[Z = 1];
    Grid {
     ARRAY:
        Float64 pr[M = 5][T = 12][Z = 1][Y = 767];
     MAPS:
        Float32 M[M = 5];
        Float32 T[T = 12];
        Int32 Z[Z = 1];
        Float32 Y[Y = 767];
    } pr;
} pr;