Dataset {
    Float32 X[X = 66];
    Float32 T[T = 12];
    Float32 Y[Y = 52];
    Grid {
     ARRAY:
        Float32 et[T = 12][Y = 52][X = 66];
     MAPS:
        Float32 T[T = 12];
        Float32 Y[Y = 52];
        Float32 X[X = 66];
    } et;
} ET;