bbbbbbbb             bbbbbbbb                                                          
                      b::::::b             b::::::b             kkkkkkkk                                     
                      b::::::b             b::::::b             k::::::k                                     
                      b::::::b             b::::::b             k::::::k                                     
                       b:::::b              b:::::b             k::::::k                                     
     eeeeeeeeeeee      b:::::bbbbbbbbb      b:::::bbbbbbbbb      k:::::k    kkkkkkk vvvvvvv           vvvvvvv
   ee::::::::::::ee    b::::::::::::::bb    b::::::::::::::bb    k:::::k   k:::::k   v:::::v         v:::::v 
  e::::::eeeee:::::ee  b::::::::::::::::b   b::::::::::::::::b   k:::::k  k:::::k     v:::::v       v:::::v  
 e::::::e     e:::::e  b:::::bbbbb:::::::b  b:::::bbbbb:::::::b  k:::::k k:::::k       v:::::v     v:::::v   
 e:::::::eeeee::::::e  b:::::b    b::::::b  b:::::b    b::::::b  k::::::k:::::k         v:::::v   v:::::v    
 e:::::::::::::::::e   b:::::b     b:::::b  b:::::b     b:::::b  k:::::::::::k           v:::::v v:::::v     
 e::::::eeeeeeeeeee    b:::::b     b:::::b  b:::::b     b:::::b  k:::::::::::k            v:::::v:::::v      
 e:::::::e             b:::::b     b:::::b  b:::::b     b:::::b  k::::::k:::::k            v:::::::::v       
 e::::::::e            b:::::bbbbbb::::::b  b:::::bbbbbb::::::b k::::::k k:::::k            v:::::::v        
  e::::::::eeeeeeee    b::::::::::::::::b   b::::::::::::::::b  k::::::k  k:::::k            v:::::v         
   ee:::::::::::::e    b:::::::::::::::b    b:::::::::::::::b   k::::::k   k:::::k            v:::v          
     eeeeeeeeeeeeee    bbbbbbbbbbbbbbbb     bbbbbbbbbbbbbbbb    kkkkkkkk    kkkkkkk            vvv