message: Fixed symmetry issue
diff: @@ -206,7 +206,7 @@ void AliAnalysisTaskLongFluctuations2PC::UserExec(Option_t *)
  fHistBgGap[bCent][bPVz]->Fill(eta1, phi1);
  nAcc+=1.0;
  mpT+= track1->Pt();
  - for(Int_t j(i+1); j < nTracks; j++) {
  + for(Int_t j(0); j < nTracks; j++) {
  AliAODTrack* track2 = static_cast<AliAODTrack*>(fAOD->GetTrack(j));
  if(!track2 || !track2->TestFilterBit(fFB)) continue;
  if(fabs(track2->Eta()) > fEta) continue;//eta cut
  @@ -251,7 +251,7 @@ void AliAnalysisTaskLongFluctuations2PC::UserExec(Option_t *)
  fHistBgGapMC[bCent]->Fill(eta1, phi1);
  nAccMC+=1.0;
  mpT+= p1->Pt();
  - for (Int_t j(i+1); j < nMCTracks; j++) {
  + for (Int_t j(0); j < nMCTracks; j++) {
  AliAODMCParticle *p2=(AliAODMCParticle*)stack->UncheckedAt(j);
  if (!p2) continue;
  if(p2->Charge()!=-3 && p2->Charge()!=+3) continue;// x3 by convention
  