Dataset {
    Float32 T[T = 12];
    Float32 Y[Y = 39];
    Float32 X[X = 51];
    Grid {
     ARRAY:
        Float32 partial_Y[T = 12][Y = 39][X = 51];
     MAPS:
        Float32 T[T = 12];
        Float32 Y[Y = 39];
        Float32 X[X = 51];
    } partial_Y;
} partial_Y;