    - d4rk-W
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ok             ,
    : BCD , EXECESS-? , GREAY
       ...
BCD -       (!)      bcd.(..     !)
execess-? -       (   )     
       ,      3  6    
(   :\) ,    3    ex-3
(ex    execess)
"    3 ( ) ,        ,  ,  
         3   ex-3...
     bcd         ex .
greay -     ,       , 
   .    ,  ,   
    ""           
          ""     
    -        ""   
  -   -          
""     ...    ...
                    
,    ...

  bcd :
--------------
  :
7 = 0111
     bcd  0111
       ,      :
   12...
    ,        , :
1 = 0001
2 = 0010
         :
00010010
    12 bcd
  ...

  ex-3 :
---------------
  ,      3 ex ...
   6 ...
6 = 0110
    bcd ,      ex-3     
   ,   ,     , 6,   ,   9 ...
    
9 = 1001
 1001   ex-3  6...
         :
   24,
    2 - 4 ...
    3 
5
-
7
   :
5= 0101
7= 0111
  ex-3     24  01010111 .
    :

  greay :
---------------
 ,      ,          ...
         :
( )
0  0  1 1
/\/ \/\/\
1 1 1 0 1   -  binary
| 
|
1 0 0 1 1   -  greay
( )

,    ,          1.
         1 ,  0(  carry   )
    ,           1     0,
     ...
       ,  ,    1    0
     1,
      ,   ...
     ,   ,  ,    ,     0  1
     1       , ,
    1 1 1 0 1    1 0 0 1 1...

,     ,             
          ...
 gray          ...
 ,
cya ,
d4rk-w4rr10r 