  -4   - 2764
-----------------------------------------------------
16-   ,  
----------------------------------------------------- 
    
:           
             ---------------------
             +                   +
             +    8255           +
             ---------------------
 --------------     ---------------
 +            +     +             +
 +    16      +     +    15       +
 --------------     ---------------
 --------------     ---------------
 +            +     +             +
 +    14      +     +    13       +
 --------------     ---------------
 --------------     ---------------
 +            +     +             +
 +    12      +     +    11       + 
 --------------     ---------------
 --------------------   ------
 +                  +   +    +
 +     8237         +   + 82 +
 --------------------   + 53 +
 :                  +    +
                        +    +
                        +    +
                        ------