Dataset {
    Float32 L[L = 3];
    Float32 Y[Y = 12];
    Float32 S[S = 4];
    Grid {
     ARRAY:
        Float32 PredErrorVars[L = 3][S = 4][Y = 12];
     MAPS:
        Float32 L[L = 3];
        Float32 S[S = 4];
        Float32 Y[Y = 12];
    } PredErrorVars;
} PredErrorVars;