void DrawResponsePage01(){
    //210 × 297
    Float_t lAspectRatio = 297./210.;
    TCanvas *canv = new TCanvas("canv", "", 3*210, 3*297);
    gStyle->SetOptStat(0);
    Float_t lMargin = 0.05;
    canv->SetMargin(lMargin,lMargin,lMargin,lMargin);
    canv->SetTicks(0,0);
    //canv->SetCanvasSize(w,h);
    canv->SetGridx();
    canv->SetGridy();
    canv->Range(-0.1,-0.1,1.1,1.1);

    TBox *box = new TBox(0.,0.,1,1);
    box->SetLineWidth(3);
    box->SetLineColor(kBlack);
    box->SetFillStyle(0);
    box->Draw();
    
    TLatex *lat = new TLatex();
    
    lat->SetTextSize(0.03);
    lat->DrawLatex(0.028,0.96,"Exame");
    lat->SetTextFont(42);
    lat->SetTextSize(0.02);
    lat->DrawLatex(0.028,0.94,"10 de Julho de 2019");
    lat->DrawLatex(0.028,0.89,"Nome: __________________________________________");
    lat->DrawLatex(0.028,0.86,"Turma:");
    
    //Draw reply stuff
    Float_t StartPositionTurmasX = 0.12;
    Float_t StartPositionTurmasY = 0.865;
    Float_t DeltaPosXTurmas = 0.035;
    Int_t lNturmas = 16;
    TString lTurmas[] = {
        "A", "B", "C", "D", "E",
        "F", "G", "H", "J", "K",
        "L", "N", "P", "S", "Q", "Lim"};
    
    lat->SetTextAlign(22);  //centered
    lat->SetTextSize(0.015);
    TEllipse *ell[20];
    for(Int_t ic=0;ic<8;ic++){
        ell[ic] = new TEllipse (StartPositionTurmasX+ic*DeltaPosXTurmas, StartPositionTurmasY, 0.01*lAspectRatio, 0.01);
        ell[ic] -> SetLineWidth(2);
        ell[ic]->Draw("same");
        lat->DrawLatex(StartPositionTurmasX+ic*DeltaPosXTurmas, StartPositionTurmasY,lTurmas[ic].Data());
    }
    canv->SaveAs("page.pdf");
}