Dataset {
    Float32 L[L = 3];
    Float32 Y[Y = 7];
    Float32 S[S = 2];
    Grid {
     ARRAY:
        Float64 Forecast[L = 3][S = 2][Y = 7];
     MAPS:
        Float32 L[L = 3];
        Float32 S[S = 2];
        Float32 Y[Y = 7];
    } Forecast;
} Forecast;