Dataset {
    Float32 P[P = 11];
    Float32 X[X = 144];
    Float32 T[T = 12];
    Grid {
     ARRAY:
        Float64 partial_P[T = 12][P = 11][X = 144];
     MAPS:
        Float32 T[T = 12];
        Float32 P[P = 11];
        Float32 X[X = 144];
    } partial_P;
} partial_P;