Dataset {
    Float32 Y[Y = 201];
    Float32 sl[sl = 4];
    Grid {
     ARRAY:
        Float32 BLD_d[sl = 4][Y = 201];
     MAPS:
        Float32 sl[sl = 4];
        Float32 Y[Y = 201];
    } BLD_d;
} BLD_d;