Related paper Event shape engineering for inclusive spectra and elliptic flow in Pb-Pb collisions at $\sqrt{s_\rm{NN}}=2.76$ TeV Average $v_2\{\rm SP\}$ variation as a function of the absolute (left) values and self-normalized (right) values of the $q_2^{\rm TPC}$ and $q_2^{\rm V0C}$ for several centrality classe[png] [pdf] [png] [pdf]