ffffff    ffffff                    
ffffOOffffffffOOffff                  ff||ff
ffOO<>OO====OO<>OOff        ffffff  ffffOOffff
ffffOOffffffffOOffff      ffffOOff  ffOO<>OOff
  ff||ff    ff||ff      ffff//ffff  ffffOOffff
  ff||ff    ff||ff    ffff//ffffffffff//ff\\ffffffff    ffffff
  ffOOff  ffffOOffffffffOOffffffOOff//ffffff\\ffOOffffffffOOffff
  ffffffffffOO<>OO====OO<>OO==OO<>OOffff  ffffOO<>OO====OO<>OOff
      ffff//ffOOffffffffOOffffffOOff\\ffff  ffffOOffffffffOOffff
    ffff//ffffff\\ffffff\\ffffff||ffff\\ffff  ffff\\ffffffffff
    ffOOffff  ffff\\ffffff\\ffff||ffffffOOff    ffff\\ffff
    ffffff      ffffOOffffff\\ffOOffffff||ff      ffffOOff
                ffOO<>OOffffffOO<>OOffff||ff        ffffff
                ffffOOffff  ffffOOffffffOOffff
                  ffffff      ffffffffOO<>OOff
                                    ffffOOffff
                                      ffffff