_____________              _____________              _____________
|             |            |             |            |             |
|     299     |    --->    |     651     |    --->    |     894     |
|_____________|            |_____________|            |_____________|

d_r_ <-->  _
__ <-->  "D_

d_r_ -->  ___ -            ->  "D_

                                 ___ --
                                 >  "D_
             
                                                                     
          
                                                                     
                                                                     
r <--
                                                                     
  "M_lk
                                                                     
 
                                                                     
--
                                                                     

                           S_m_n_ -->  " s            __d
                                      ___             -->  d_r_ -->  


   d_r_ -->  __            _ --
          >  "D            _


                                                                     
>  m_t_ --
                                                                     
 >  _ -->  f_rs            t 
                                                                     
      -->  s_m             -->  " 
                                                                     
          h_r