Dataset {
    Float32 T[T = 3];
    Float32 Y[Y = 13];
    Grid {
     ARRAY:
        Float32 CrossValHind[T = 3][Y = 13];
     MAPS:
        Float32 T[T = 3];
        Float32 Y[Y = 13];
    } CrossValHind;
} CrossValHind;