#####    ###   #       
      #     #  #   #  #    #  
      #     # #     # #    #  
       ###### #     # #    #  
            # #     # ####### 
      #     #  #   #       #  
       #####    ###        #  

       #####   #####  ####### 
      #     # #     # #       
            # #       #       
       #####  ######  ######  
            # #     #       # 
      #     # #     # #     # 
       #####   #####   #####  

  ,----- .123 4567 89ab cdef -----,
  |                               |
  | ..   .... .... .... ....   .f |
  | 1.   ...1 a697 e45f 7c81   1f |
  | 2.   8.98 18ac 614f 8c7e   2f |
  | 3.   2e59 db91 6963 d8ad   3f |
  '===   ==== ==== ==== ====   ==='
   ak:   .f4b a4