erexrellxxrlx
                                           eexrelrexrrexlxelelexxl
                                        eexellrrxrerlr  rlrxlxllrelx
                                     exrxlex                    xrrxxrr
                                   rxxrx                           rlexr
                                 lxxe                                eelex
                               lrllr                                  xxelr
                              xrx                    xr                 lexx
rxex                         lxl                   eeerr                 llle
rrxllexleerllelexrexxrrxrlxxeee                   xrrxrl                  exel
   llrlllrxerexeelexllxxexxlr                    llrlrxe                  llxx
      rlrlrlx                                     xrlll                   erll
         rlrlel                                                           xexr
           rllrel                                                         exer
              lellll                                                      rerx
                eexlrxe                                                   xxxe
                   rerle                                                  erxx
                    exlxe                                                 xerl
                     eelx                                                 erl
                     leex                                                 eee
                     xrlr                                                 xer
                    xree                                                  rrx
                   elxr                                                  llle
                   rrrx                                                  ere
                  xxre                                                  lexe
                  xxxx                                                  eel
                 lrrl                                                   exl
                 ree                                                   lllr
                rere                                                   exl
               erre                                                   xer
               xrx                                                    ere
              llxx                                                   lee
             xerx                                                    xle
             lle                                                     lre
            lxxr                                                    rll
            exl                                                    rxrr

                                                 lxrelxrelxrel
                                           relxrelxrelxrelxrelxrel
                                        relxrelxrelxre  elxrelxrelxr
                                     elxrelx                    elxrelx
                                   relxr                           relxr
                                 elxr                                elxre
                               relxr                                  relxr
                              elx                    lx                 elxr
elxr                         elx                   relxr                 elxr
elxrelxrelxrelxrelxrelxrelxrelx                   relxre                  elxr
   relxrelxrelxrelxrelxrelxre                    elxrelx                  elxr
      xrelxre                                     relxr                   elxr
         relxre                                                           elxr
           relxre                                                         elxr
              xrelxr                                                      elxr
                elxrelx                                                   elxr
                   relxr                                                  elxr
                    elxre                                                 elxr
                     elxr                                                 elx
                     elxr                                                 elx
                     elxr                                                 elx
                    elxr                                                  elx
                   elxr                                                  elxr
                   elxr                                                  elx
                  elxr                                                  elxr
                  elxr                                                  elx
                 elxr                                                   elx
                 elx                                                   elxr
                elxr                                                   elx
               elxr                                                   elx
               elx                                                    elx
              elxr                                                   elx
             elxr                                                    elx
             elx                                                     elx
            elxr                                                    elx
            elx                                                    elxr