                       
 cbbbbbcbbc bbbbbcbbbb 
 b       b       c   b 
 b bbbbb b bbb bbb c b 
 b b   b b b b   b b b 
 b b b bbb b bcb b b c 
 b   c         b   bsb 
 bbbcbcbbbbcbbccbbbcbc 
                       
