bbbbbbbb                                bbbbbbbb            
                                   tttt           b::::::b                                b::::::b            
                                ttt:::t           b::::::b                                b::::::b            
                                t:::::t           b::::::b                                b::::::b            
                                t:::::t            b:::::b                                 b:::::b            
    mmmmmmm    mmmmmmm    ttttttt:::::ttttttt      b:::::bbbbbbbbb       aaaaaaaaaaaaa     b:::::bbbbbbbbb    
  mm:::::::m  m:::::::mm  t:::::::::::::::::t      b::::::::::::::bb     a::::::::::::a    b::::::::::::::bb  
 m::::::::::mm::::::::::m t:::::::::::::::::t      b::::::::::::::::b    aaaaaaaaa:::::a   b::::::::::::::::b 
 m::::::::::::::::::::::m tttttt:::::::tttttt      b:::::bbbbb:::::::b            a::::a   b:::::bbbbb:::::::b
 m:::::mmm::::::mmm:::::m       t:::::t            b:::::b    b::::::b     aaaaaaa:::::a   b:::::b    b::::::b
 m::::m   m::::m   m::::m       t:::::t            b:::::b     b:::::b   aa::::::::::::a   b:::::b     b:::::b
 m::::m   m::::m   m::::m       t:::::t            b:::::b     b:::::b  a::::aaaa::::::a   b:::::b     b:::::b
 m::::m   m::::m   m::::m       t:::::t    tttttt  b:::::b     b:::::b a::::a    a:::::a   b:::::b     b:::::b
 m::::m   m::::m   m::::m       t::::::tttt:::::t  b:::::bbbbbb::::::b a::::a    a:::::a   b:::::bbbbbb::::::b
 m::::m   m::::m   m::::m       tt::::::::::::::t  b::::::::::::::::b  a:::::aaaa::::::a   b::::::::::::::::b 
 m::::m   m::::m   m::::m         tt:::::::::::tt  b:::::::::::::::b    a::::::::::aa:::a  b:::::::::::::::b  
 mmmmmm   mmmmmm   mmmmmm           ttttttttttt    bbbbbbbbbbbbbbbb      aaaaaaaaaa  aaaa  bbbbbbbbbbbbbbbb