Colour online: Probability, calculated with RELDIS (in \%), of the difference $\Delta A$ between the sum of the mass number of the most heavy residual nucleus and the numbers of emitted nucleons and $A$ of the initial $^{208}$Pb (left) and probability (in \%) of the difference $\Delta Z$ between the sum of the charge of the most heavy residual nucleus and the number of emitted protons and $Z$ of $^{208}$Pb (right) plotted as functions of $N_{\mathrm n}$ in each event..