\ In jet--jet PYTHIA 8 simulation embedded into MB \PbPb data, \ptIsoCh\ distribution for different UE estimation areas described in the text, $\pt > 12$ GeV/$c$ and wide clusters with $0.4\sigmalongPb2$ in \PbPb central (left), semi-central (middle) and peripheral (right) collisions for $R=0.2$ (top) and $R=0.4$ (bottom).