void plotThreeMuUserAnalysis(TString ss="LLLL")
{
 
 
 
  TPaveText *pave = new TPaveText(1.8,1.8,2.7,2.7);
  pave->SetFillColor(0);
  pave->SetBorderSize(0); 
  pave->AddText("TAUOLA V Chrzaszcz");
  pave->AddText("#tau^{-} -> #mu^{-} #mu^{-} #mu^{+}");
  //  pave->AddText("#tau^{-} -> e^{-} #mu^{-} #mu^{+}");
 
  pave->AddText("#Gamma_{"+ss+"} Mode"); 
 
  gStyle->SetOptStat(0);
    TCanvas *c = new TCanvas("c","c",800,800);
    TFile   *f = new TFile("mc-tester"+ss+".root");
    TH2D *hist= f->Get("USER_HISTOGRAMS/m12_m23");
    hist->Scale(1./hist->Integral());
    hist->SetTitle("");
    hist->GetXaxis()->SetTitle("m_{--}^{2} GeV^{2}");
    hist->GetYaxis()->SetTitle("m_{+-}^{2} GeV^{2}");  
    hist->GetZaxis()->SetLabelOffset(0.06);
    hist->GetZaxis()->SetTitleOffset(20);
    gStyle->SetPalette(1);
    hist->Draw("COLZD");
    pave->Draw();
    gPad->Update();
 
    TPaletteAxis *palette = (TPaletteAxis*)hist->GetListOfFunctions()->FindObject("palette");
    palette->SetX2NDC(0.85);
 
    gPad->Modified();
    gPad->Update();
    c->Update();
    c->SaveAs(ss+".pdf");
 
    
 
}