Dataset {
    Float32 X[X = 56];
    Float32 T[T = 28];
    Float32 Y[Y = 36];
    Grid {
     ARRAY:
        Float32 obs[T = 28][Y = 36][X = 56];
     MAPS:
        Float32 T[T = 28];
        Float32 Y[Y = 36];
        Float32 X[X = 56];
    } obs;
} History;