Left: evolution of the electron distribution during the flare. The different temporal steps are plotted dark red (T1), progressing to lighter reds (T3), to light blue (T4), to dark blue (T6). The dotted lines indicate the location of γ_max. The gray line shows a thermal distribution of electrons, peaking at γ ∼ 50, which set the minimum acceleration of the electrons for the flare. Right: evolution of the distribution parameters γ_max (shown by the solid line) and n_e (shown by the dashed line).