	     ( 5)
		 . 
		dbell(at)pdact.pd.necisa.oz.au
		9  1992
		  
		http://beluch.ru


        .
         c/2    4.

 ,      c/2    4.         ,     "  ",     ,   .

   ,                .             ,      -    .            -    ,                      .

   ,      ,         .  ,       .

     ,      - .
  - ,    ,       , , ,     .          .

c/2    4    -,  .      ,  -    4 ,         2    ,   ,     ,   . (    - -  .)

-        ,     -   2,  ,   ,  .     c/2    4,   ,  -.
 ,  ,        ,   .

     c/2    4,   ,      .

       -           .    , ,  ,  ,         .    ,  ,  , "   ".

[""    4 ( c/2)]
 ..O..O        .OO...
 .O....        OO.OO.
 .O...O        .OOOO.
 .OOOO.        ..OO..
 ......        ......
 ......        ..OOO.
 ..OOO.        .OOOOO
 .OOOOO        OO.OOO
 OO.OOO        .OO...
 .OO...


            ,     .   ,        .       4. (,     12.)   ,     4,       .      1992 .

[   4    ( c/2)]
 .....................O...
 ..................OOOO...
 .............O..O.OO.....
 .............O...........
 OOOO........O...O.OO.....
 O...O.....OO.OO.O.O.OOOOO
 O.........OO.O.O.O..OOOOO
 .O..O..OO..O...OOO..O.OO.
 ......O..O.OO............
 ......O....OO............
 ......O..O.OO............
 .O..O..OO..O...OOO..O.OO.
 O.........OO.O.O.O..OOOOO
 O...O.....OO.OO.O.O.OOOOO
 OOOO........O...O.OO.....
 .............O...........
 .............O..O.OO.....
 ..................OOOO...
 .....................O...


 ,       ,           . ,       ,  ,      ,     .          (  )     .     .

[ ,      4 ( c/2)]
 .....................O..................O.O.................O.O...
 ..................OOOO.................O..O................O.OO...
 .............O..O.OO..............OO..OO...................OO.....
 .............O...................OOOO........O.......OOOO..O..OOO.
 OOOO........O...O.OO...............OO.OO.............O...O.OOOOOOO
 O...O.....OO.OO.O.O.OOOOO......O.OO...O......O......OO......O.OOOO
 O.........OO.O.O.O..OOOOO.....OO.O..O.O.OOOOO......OO..O..O.OO....
 .O..O..OO..O...OOO..O.OO....O..O...O....O.......OO.O....OOOO......
 ......O..O.OO..............OOO.O....O..O.......O...O....OOO.......
 ......O....OO.............OO..OO..............O...O...............
 ......O..O.OO..............OOO.O....O..O.......O...O....OOO.......
 .O..O..OO..O...OOO..O.OO....O..O...O....O.......OO.O....OOOO......
 O.........OO.O.O.O..OOOOO.....OO.O..O.O.OOOOO......OO..O..O.OO....
 O...O.....OO.OO.O.O.OOOOO......O.OO...O......O......OO......O.OOOO
 OOOO........O...O.OO...............OO.OO.............O...O.OOOOOOO
 .............O...................OOOO........O.......OOOO..O..OOO.
 .............O..O.OO..............OO..OO...................OO.....
 ..................OOOO.................O..O................O.OO...
 .....................O..................O.O.................O.O...


 ,     c/2    4,   ,       ,   .    ,     ,  ,  ,  .     -     ,    ,      ,      .          .         .     "",   ,          ,     .

 -   "",   .           -.        .

[""  4,     ( c/2)]
 ....................O..............
 ..OO.............O.................
 .OOOO..........O.OO...O............
 OO.OO.OO.....OO........O...........
 .OO.......OOOO...OO.OO.OO.O.OO.OOOO
 ......O......OO.O..OO...O.....OO...
 .......O.O...OO.O...OO.OO.O.OOO.OOO
 ..OO.OO.OOO..O..O..........O.O..O..
 .OOOO.OO....O..OO..O.OO...O.....O.O
 OO.OO........OOO....O.O...O.....O.O
 .OO...O.......OO....O..............
 ................OO.O...............
 ..................O................


      ,         ,   ,          .

[  4 ( c/2)]
 .........................O..O.....
 ....................O....O........
 ..OO.............O......O...O.....
 .OOOO..........O.OO...O.O.OO......
 OO.OO.OO.....OO...................
 .OO.......OOOO...OO.OO.O.O.O.O.OO.
 ......O......OO.O..OO......OOOOOOO
 .......O.O...OO.O...OO.OO.....OOOO
 ..OO.OO.OOO..O..O.......OOOOOO....
 .OOOO.OO....O..OO..O.OO...........
 OO.OO........OOO....O.O.O.O.......
 .OO...O.......OO....O.............
 ................OO.O....O...O.....
 ..................O.....OOOO......


       ""    .     ,              .

[   4    ( c/2)]
 ..............................OO........
 .............................OOOO.......
 ....................O.......OO.OO.......
 ..OO.............O...........OO......O.O
 .OOOO..........O.OO...O.............OO.O
 OO.OO.OO.....OO........O...........O.O..
 .OO.......OOOO...OO.OO.OO.O.OO.OOOOOOO..
 ......O......OO.O..OO...O.....OO....O...
 .......O.O...OO.O...OO.OO.O.OOO.OOOO.O..
 ..OO.OO.OOO..O..O..........O.O..O...OO..
 .OOOO.OO....O..OO..O.OO...O.....O..O....
 OO.OO........OOO....O.O...O.....O..O....
 .OO...O.......OO....O.........OOOO...OO.
 ................OO.O.........OOOO....OO.
 ..................O.........OO.OO.......
 .............................OO.........


 ................................O......
 ...............................OOOOO...
 ....................O........OO...OO...
 ..OO.............O...........O....O....
 .OOOO..........O.OO...O..OOOOO.........
 OO.OO.OO.....OO..........OO............
 .OO.......OOOO...OO.OO.O..O.......OOOO.
 ......O......OO.O..OO....OOOOO...OOOOOO
 .......O.O...OO.O...OO.OO.....O.OO.OOOO
 ..OO.OO.OOO..O..O.......O........OO....
 .OOOO.OO....O..OO..O.OO..O.O...........
 OO.OO........OOO....O.OOOOO............
 .OO...O.......OO....O.....O...O....O.O.
 ................OO.O.......OO...O......
 ..................O...........O..OOOO..
 ..............................O........
 ...............................O.OO....


           .

         .       ,  , ,  .

[     4 ( c/2)]
 .........................................O........O.......
 .........................................O.....OOOO.O.....
 ....................O............O..O.OOO.OO.OO......O...O
 ..OO.............O..............O.OO.OO....OOO.OOO........
 .OOOO..........O.OO...O...OOO..OO..OO.O..........O.......O
 OO.OO.OO.....OO........O.O.OO.O.O.OO........O.....OOOOOOO.
 .OO.......OOOO...OO.OO.O.....O..O..OO..OOO.....OOO........
 ......O......OO.O..OO....OO......OO.OO........OOOOOO......
 .......O.O...OO.O...OOOOOO..O.O.O...OO...OOO.OO.OOO.O.....
 ..OO.OO.OOO..O..O.........O...O....O...O.O....OO.......O..
 .OOOO.OO....O..OO..O.OOOO.O.OOO....O..O..O.........O.....O
 OO.OO........OOO....O.O.OOOO...O.O....O.OO.........O......
 .OO...O.......OO....O.......OOOO.O.....OO..OO..O..O......O
 ................OO.O........OO..OO.O..OO.O....O..OO.OOOOO.
 ..................O..............OOOO..OO...O.O.....O.....
 ...................................OO..OO.O....OOO........
 .................................................O..O.....


 ....................................OO......
 ....................O..O.........OO.........
 ..OO.............O....OOOOOO..OO.OO...OO....
 .OOOO..........O.OO.......OOO.....O.O.O.....
 OO.OO.OO.....OO........O.O....O.O...........
 .OO.......OOOO...OO.OOOO.O.OO.OOOOOO.O.....O
 ......O......OO.O..OO.......................
 .......O.O...OO.O...OOOOO.OOOOOOOOOOO......O
 ..OO.OO.OOO..O..O.........O..........OOOOOO.
 .OOOO.OO....O..OO..O.OO.O.OO..OO.OO.........
 OO.OO........OOO....O...OO...O...O...OO.....
 .OO...O.......OO....O.O...O..O.O.O..O...O...
 ................OO.O..O...OOOO...O..........
 ..................O....O..OO.....OOO.OO.O...
 ..................................OO........


          .
         c/2    4.

 -    ,  .     ,     - --,    .         .   --,     ,     ,         .

[    4 ( c/2)]
 .O......
 O.....O.
 O.....O.
 OOOOO.O.
 ........
 ....OO..
 ..O....O
 .O......
 .O.....O
 .OOOOOO.


 ...OO...
 .O....O.
 O.......
 O.....O.
 OOOOOO..
 ........
 .....O.O
 ....O..O
 .....O..
 ...OO..O
 .O.....O
 O.......
 O.....O.
 OOOOOO..


 OOOO.........
 O...O.O......
 O.....OO.....
 .O....OO.....
 ......O......
 ...OOOOOOOOO.
 ...O........O
 ...O.........
 ....O...O...O
 .............
 OOOO.OO......
 O...OO.O.....
 O....O.O.....
 .O..O........


    -          ,    .          ,        .     .

[     4 ( c/2)]
                         ...........OO......
 OOOO........OO...       OOOO......OO.OO....
 O...O.O....OO.OOO       O...O.O....OOOO....
 O.....OO....OOOOO       O.....OO....OO.....
 .O....OO.....OOO.       .O....OO...........
 ......O..........       ......O............
 ...OOOOOOOOOO....       ...OOOOOOOOOOOOOOO.
 ...O.........O...       ...O..............O
 ...O.............       ...O...............
 ....O...O........       ....O...O.........O
 .................       ...................
 OOOO.OO.....OO...       OOOO.OO............
 O...OO.O...OO.OOO       O...OO.O...OO......
 O....O.O....OOOOO       O....O.O..OO.OO....
 .O..O........OOO.       .O..O......OOOO....
                         ............OO.....


         ,     ,   ""  ,  .          ,      .           ,          .

         ,    .

[   4       ( c/2)]
 OOOO.........
 O...O........
 O............
 .O..O.....O..
 ....O...OO.O.
 .O...O..OO...
 O......O....O
 O....O.OOO..O
 OOOOO...O.O..
 .......OO.O..
 .........O...
 ..........O..
 OOOO.........
 O...O........
 O............
 .O..O........


   ,    ,  .

[  4       ( c/2)]
 .OO......OO....
 OO.OO...OOO....
 .OOOO..OOO...OO
 ..OO....O....OO
 .............O.
 ..OOO.....OO...
 .OOOOO...O..O..
 OO.OOO...O...O.
 .OO......O....O
 ...........O...
 .....OO..OOO...
 ........OOO.OO.
 .OO....OO.O...O
 OO.OO...OOO....
 .OOOO..........
 ..OO...........


        ,   .   -  .   ,       ,           .       ,      .

[  4  -   ( c/2)]
 .OO......OO..................
 OO.OO...OOO..................
 .OOOO..OOO....O..............
 ..OO....O.....OO.............
 .................O.......OO..
 ..OOO.....OOOO....O...O.....O
 .OOOOO...O..OOO....OO........
 OO.OOO...O...O....OOO.......O
 .OO......O..O..OO.O..OOOOOOO.
 ...........OO..OO...OO.......
 .....OO..OO.OO...............
 ........OOOOOO...............
 .OO....OO.O....OO............
 OO.OO...OOO..................
 .OOOO........................
 ..OO.........................


       ,   ,    ,     .       ,      .     .

[   4      ( c/2)]
 .................................................OO.....................O..O.
 .OO......OO.............OOOO....O.O.............OOOO...................O.....
 OO.OO...OOO.............O...O..O...............OO.OO...OOO.............O...O.
 .OOOO..OOO....O.........O......O..O...OO........OO....OO.O....OO.......OOOO..
 ..OO....O.....OO.........O..O..OOO....OO...............OOOOOO................
 .................O..........O......OOOO.............OO..OO.OO................
 ..OOO.....OOOO....O...O......O....OO..O...OO..............OO..OO...OO........
 .OOOOO...O..OOO....OO............O....O.....OO..........O..O..OO.O..OOOOOOOO.
 OO.OOO...O...O....OOO........O..OOO....O.OO...OOOOOOO...O...O....OOO........O
 .OO......O..O..OO.O..OOOOOOOO.....OOOOOOO.O...OOOOOOO...O..OOO....OO.........
 ...........OO..OO...OO...........O....OOOO..OO.OOOOO.....OOOO....O...O......O
 .....OO..OO.OO..................O.....O.........................O..........O.
 ........OOOOOO................O......OO..........OO....O.....OO.........O..O.
 .OO....OO.O....OO.......OOOO...O....O...........OOOO..OOO....O.........O.....
 OO.OO...OOO.............O...O..OO.O............OO.OO...OOO.............O...O.
 .OOOO...................O........O..............OO......OO.............OOOO..
 ..OO.....................O..O................................................


       " ".

[    4       ( c/2)]
 .OO......OO........OOOO........
 OO.OO...OOO........O...OO......
 .OOOO..OOO....O....O...........
 ..OO....O.....OO....O..OO...O.O
 .................O.......O..O.O
 ..OOO.....OOOO....O...O....O...
 .OOOOO...O..OOO....OO......OO..
 OO.OOO...O...O....OOO...O.OO...
 .OO......O..O..OO.O..OOO..O..O.
 ...........OO..OO...OO.....O..O
 .....OO..OO.OO..........OOOOOO.
 ........OOOOOO..........OO.....
 .OO....OO.O....OO..OOOOOO......
 OO.OO...OOO........O....O......
 .OOOO..............O....O......
 ..OO................O..........


 ..........................O..O......
 .OO......OO..............O....OO..OO
 OO.OO...OOO..............O..O.OO.O..
 .OOOO..OOO....O..........OO.OO.O....
 ..OO....O.....OO.....OO...O.O.......
 ...................OO...O..O.O...O.O
 ..OOO.....OOOO...O.OOOO..OO......O.O
 .OOOOO...O..OOO.........OO.O..O..O..
 OO.OOO...O...O....O.O.O...OOOOOO.OOO
 .OO......O..O..OO.O...O.OO.....OO...
 ...........OO..OO.O..O......OOO.OOOO
 .....OO..OO.OO.....O..O....O.OO.....
 ........OOOOOO......OO....OO.OO.O...
 .OO....OO.O....OO........O...OO.O...
 OO.OO...OOO..............O...O......
 .OOOO....................OOOO...O.O.
 ..OO............................O...


 ...............O.O..O.O......
 .OO......O....O..O..O.O......
 OO.OO...OOOOO.O...O...OO.....
 .OOOO..OO.OO.......OO..OOO...
 ..OO....O..O...O.OO.OO.OOOO.O
 ..........OO.O.OO.OO........O
 ..OOO.....O....O.OOO..OOOO...
 .OOOOO........OOO..OO.O......
 OO.OOO.......OOO..OOO.OOOOOO.
 .OO..........O....O..........
 ..........O...........OOO....
 .....OO..OO..O.OOO...O...OOOO
 ........OOOOO..OO....OOO..O..
 .OO....OO.....OO.OOOOO..O..OO
 OO.OO...O....OO.O....O.......
 .OOOO....O....OOOO.OO.O......
 ..OO...........O.O.O.........


      ,     .
         .
         ,          .       ,         .

[  4         ( c/2)]
 ........................O..O.....O..
 .OO......OO............O.......O...O
 OO.OO...OOO............O...O..O.....
 .OOOO..OOO...OOO..O....OOOO...O....O
 ..OO....O....OOO.O..O.........OOOOO.
 .............O.O.OO.................
 ..OOO......O...OO.....O.............
 .OOOOO...OO.O...OO..OO.O............
 OO.OOO...O..O.O..O.O.OO.OOOOOOOO....
 .OO......O......OOOOO...OOOOOOOO....
 ..........OO...O.O....OOOOOOOOOOOO..
 .....OO..OOO...O.OO.O..........O...O
 ........OOO.OO.O..O.....O..O..O.....
 .OO....OO.O...OOOO.....O......O....O
 OO.OO...OOO....OO......O...O..OOOOO.
 .OOOO..................OOOO.........
 ..OO................................


    ,     .
      .

[       ( c/2)]
 .OO......OO.............OOOO.......
 OO.OO...OOO.............O...O......
 .OOOO..OOO....O.........O..........
 ..OO....O.....OO.........O..O..O...
 .................O...........OOOO..
 ..OOO.....OOOO....O...O.........O..
 .OOOOO...O..OOO....OO...........O..
 OO.OOO...O...O....OOO..............
 .OO......O..O..OO.O..OOOOOOOOOO....
 ...........OO..OO...OO........OO.OO
 .....OO..OO.OO................O....
 ........OOOOOO................O.OO.
 .OO....OO.O....OO.......OOOO.......
 OO.OO...OOO.............O...O......
 .OOOO...................O..........
 ..OO.....................O..O......


     ,  ,              ,   .   .

[   4 ( c/2)]
 ..OOOO.......
 ..O...O......
 ..O..........
 ...O..O..O...
 .......OOOO..
 .O........O..
 O.........O..
 O............
 OOOOOOOOO....
 ........OO.OO
 ........O....
 ........O.OO.
 ..OOOO.......
 ..O...O......
 ..O..........
 ...O..O......


                 ,   .

[    4 ( c/2)]
 OOOO.......
 O...O......
 O..........
 .O..O..O...
 .....OOOO..
 .O......O..
 O.......O..
 O..........
 OOOOOOO....
 ......OO.OO
 ......O....
 ......O.OO.
 OOOO.......
 O...O......
 O..........
 .O..O......
 ...........


        .    ,        2.    ,       .   ,    ,  .   ,            2   .

[   4  ,    2 ( c/2)]
 OOOO...............
 O...O...........O.O
 O..............O..O
 .O..O..O......OO...
 .....OOOO.....O.O..
 .O......O....O.O..O
 O.......O...OOO.OO.
 O...........O......
 OOOOOOO.....OOO.OO.
 ......OO.OO..O.O..O
 ......O.......O.O..
 ......O.OO....OO...
 OOOO...........O..O
 O...O...........O.O
 O..................
 .O..O..............


            .

[    4 ( c/2)]
 ...............O...OO.
 OOOO........OOO..OO...
 O...O......OOOO......O
 O.........O.....OO.O..
 .O..O..OOOO.OO.OO.O...
 .....OOO.O..O.OO......
 .O......O...O.OO......
 O.......O..OOO........
 O.......O..OO.........
 OOOOOOO....O...O......
 ......OO...O..........
 ......O..O.O.OO.......
 ......O.O..O.OO....O..
 OOOO......OO.OOO.O.O..
 O...O......OO..O......
 O............OO..OOO.O
 .O..O..........O...O.O


        .       --  .     ,   --.               ,      .

[  4      -- ( c/2)]
 .O......................
 O.....O..OOOO.O.........
 O.....O.O..............O
 OOOOO.O...........OO...O
 .........OO.OOO...OOO...
 ....OO.....O..O.....OO.O
 ..O....O......OO..O.OO..
 .O...........O.O.O...OO.
 .O.....O....OO..OOO.O...
 .OOOOOO......OO...O.O...
 ..............O.OO......
 ...........O....O.OOO.OO
 .O..O.....O....O..OO..OO
 O....O.O.OO...OO....O.O.
 O...OO.OO...OO..........
 OOOO.....O...O..........
 ..........O.O...........


 .O..........................
 O.....O................OO...
 O.....O..............OO.....
 OOOOO.O..OO..O...OO..O......
 ..........OOOOO.OO.OO.OO.O..
 ....OO.......OO.O...O....O.O
 ..O....O...O.O..O...O....O..
 .O.........O.O...O.......OOO
 .O.....O..O........OO.......
 .OOOOOO....O.....O.OOO...OOO
 ...........OO...OOO.OO...O..
 ..........OOO.......OOO.O...
 .O..O.......O....O...OO.OOO.
 O....O.O.OO.O...OOOOO....O..
 O...OO.O..........OO..O..O..
 OOOO..................O.O...


 .O...........OO.O.O.........
 O.....O......OOOO.O.........
 O.....O..O..O...............
 OOOOO.O..OO..OO.O.O....OO.O.
 ..........O..OO.O.O...O...O.
 ....OO...........OOO......O.
 ..O....O.........OOO.O.O....
 .O..........OO..............
 .O.....O...OO.OOO...O.......
 .OOOOOO.....OOOOOOO..O......
 .............OOO............
 ................OOO.OOO.....
 .O..O.....O..OOO.......OOO.O
 O....O.O.....O.O.........O.O
 O...OO.O.OO..O..O...........
 OOOO........OOO.OOO.........


 .O...........OO.O.O..........
 O.....O......OOOO.O..........
 O.....O..O..O................
 OOOOO.O..OO..OO.O.O....OOOOO.
 ..........O..OO.O.O...O.....O
 ....OO...........OOO.........
 ..O....O.........OOO.O.O....O
 .O..........OO...............
 .O.....O...OO.OOO...O........
 .OOOOOO.....OOOOOOO..O.......
 .............OOO.............
 ................OOO.OOO.OOOO.
 .O..O.....O..OOO.......O....O
 O....O.O.....O.O.............
 O...OO.O.OO..O..O.......O...O
 OOOO........OOO.OOO.......O..


 .O...........OO.O.O....
 O.....O......OOOO.O....
 O.....O..O..O..........
 OOOOO.O..OO..OO.O.O....
 ..........O..OO.O.O....
 ....OO...........OOO...
 ..O....O.........O.O..O
 .O..........OO....OOO.O
 .O.....O...OO.OOO....O.
 .OOOOOO.....OOOOOO..OOO
 .............OOO......O
 ................OOO....
 .O..O.....O..OOO.......
 O....O.O.....O.O.......
 O...OO.O.OO..O..O......
 OOOO........OOO.OOO....


 .O....................OO.OO.
 O.....O......OOO.....OOOOOOO
 O.....O....O.....OO....OOOOO
 OOOOO.O...O.O...OOO...O.....
 .........OO..O.O.....O......
 ....OO....OO.OO....O........
 ..O....O....O.OO.O..........
 .O..........OOOO............
 .O.....O....O.O...O.........
 .OOOOOO.....OO..OO..........
 .............O..OOO.........
 ..........OO................
 .O..O....O...O..O..O....OOO.
 O....O.O.OOO.......OO..OOOOO
 O...OO.O...OOO.OO.O...O.OOOO
 OOOO.........O.......OOO....


  ,  ,       .  , ,     ,      4.

  -   ,     4,     2   .     ,         2.        3   ,    12    .

[   4     2 ( c/2)]
 .O...........OO.O.O..........
 O.....O......OOOO.O..........
 O.....O..O..O................
 OOOOO.O..OO..OO.O.O....O.O...
 ..........O..OO.O.O...O..O.OO
 ....OO...........OOO.OO......
 ..O....O.........O.O.O...O...
 .O..........OO....OOO.OO.O...
 .O.....O...OO.OOO..........OO
 .OOOOOO.....OOOOOO..OOOO.O...
 .............OOO.........O...
 ................OOO..OO......
 .O..O.....O..OOO.....OO..O.OO
 O....O.O.....O.O.......O.O...
 O...OO.O.OO..O..O............
 OOOO........OOO.OOO..........


                  ,   --.        ,     ,   .

[   4   ( c/2)]
 .O...........O.O......
 O.....O....OOO.OO.....
 O.....O...O......OO...
 OOOOO.O..OO..OOOOO....
 ..........O.O.....O...
 ....OO....OO...OO.OO.O
 ..O....O..O.O..OOO....
 .O.......O..O..O.O....
 .O.....O.O.....OO.....
 .OOOOOO..O.....O......
 .........O...O.OO..O..
 ..........OO.O.O...OO.
 .O..O........O...OOOO.
 O....O.O.OOOOOOOO.OOO.
 O...OO.O.OO...........
 OOOO.......OOOO.O.O...
 ..............O.O.O...


         .    ,       ,       .    ,   ,        ,     .   -  ,  ,  .

[-    4 ( c/2)]
 .......OOO.O.O.........
 ......OOOO.O.OO...OO...
 .....OO.......O..OOO...
 ......OOOOO.O..O.OO.O..
 ...OO....O...OOOOO.....
 .O...........O...O.....
 O.............OO.OO....
 O......O.....O.....OOOO
 OOOOOOO......OO..OOOOOO
 ................OOOOOO.
 .......OO..OOOOO.......
 ......OOO........O.....
 .....OO.O...OO.OOO.....
 ......OO...O.....O.....
 .........OO...OO.......


   -       4,     2.

[   4     2 ( c/2)]
 .......OOO.O.O.............
 ......OOOO.O.OO...OO.......
 .....OO.......O..OOO....O.O
 ......OOOOO.O..O.OO....O..O
 ...OO....O...OOOOOO...OO...
 .O...........O...OO..O....O
 O.............OO.OO.OOOOO.O
 O......O.....O.............
 OOOOOOO......OO..OOOOOOOO.O
 ................OOO.......O
 .......OO..OOOOO......OO...
 ......OOO........O.....O..O
 .....OO.O...OO.OOO......O.O
 ......OO...O.....O.........
 .........OO...OO...........


      .        .        "".

[    ( c/2)]
 OOOO.....O..O
 O...O...O....
 O.......O...O
 .O..O...OOOO.
 .............
 .....OO......
 .....OO......
 .....OO......
 .............
 .O..O...OOOO.
 O.......O...O
 O...O...O....
 OOOO.....O..O


[    "" ( c/2)]
 .........O...O
 ..OO....O.....
 .OOOO...O....O
 OO.OO...OOOOO.
 .OO...........
 ..............
 ......OO......
 .......O.O....
 ..OO....OOOO..
 .OOOO....O...O
 OO.OO...O.....
 .OO.....O....O
 ........OOOOO.


     ,    .
   ,    .

[  4   ( c/2)]
 .....OO.........
 ..OO.OOO........
 .OO..OO.........
 ..OO..OO........
 ...OO.OOO.......
 ......O.O.......
 ............OO..
 .O.............O
 O...............
 O..............O
 OOOOOOOOOOOOOOO.
 ................
 ................
 ....OOO.O.......
 ...OOOO..OO.....
 ..O.O...........
 .OO.............
 ..OOOO.O........
 ...OOO.O........


  ,            .    ,      ,  "" .        ""  .  ,      .

[,  ""  4 ( c/2)]
 ....OO.O....
 .OOO...O....
 .O..........
 .O......O...
 ..OOO...O...
 .....OO.....
 ............
 ............
 .......OO...
 ......OO.OOO
 .......OOOOO
 ........OOO.


   ,    .
      ,      .

   c/2    4,            1992 .       2,     4     .         .

[   4 ( c/2)]
 .........O.............
 ......OO.O.............
 ......O...O....OO..OO..
 ...O.O..OO....OOO..OOOO
 ..OOOOO...O.O.OOO.O..OO
 .OO.....OO.OO..........
 OO....O......O.O..OO...
 .OO....OOOOOOOO........
 ......O.........O..O...
 .OO....OOOOOOOOO.......
 OO....O........OOO.....
 .OO.....OOOO.OO.OO..O..
 ..OOOOO.........OO..O..
 ...O.O..OOO..OOO.O.OO..
 ......O................
 ......OO.O.O...........
 .........O.............


         .
  .

[   4   ( c/2)]
 .........O......................
 ......OO.O......................
 ......O...O....OO..OO......O....
 ...O.O..OO....OOO..OOOO..OOO....
 ..OOOOO...O.O.OOO.O..OOOO...O...
 .OO.....OO.OO.............OOOO.O
 OO....O......O.O..OO.......OO.O.
 .OO....OOOOOOOO.........OO..O...
 ......O.........O..O.....OO.O..O
 .OO....OOOOOOOOO.........OO..O.O
 OO....O........OOO......O.OO..O.
 .OO.....OOOO.OO.OO..O..OO.O...OO
 ..OOOOO.........OO..O..O.....OO.
 ...O.O..OOO..OOO.O.OO...OOOOOO..
 ......O...................O.OO..
 ......OO.O.O....................
 .........O......................


 .........O.....................O.O.
 ......OO.O....................O...O
 ......O...O....OO..OO......O..O...O
 ...O.O..OO....OOO..OOOO..OOO...O...
 ..OOOOO...O.O.OOO.O..OOOO...O...O..
 .OO.....OO.OO.............OOOO.O..O
 OO....O......O.O..OO.......OO.OOOOO
 .OO....OOOOOOOO.........OO..O...O..
 ......O.........O..O.....OO.O..OO..
 .OO....OOOOOOOOO.........OO..O.OO..
 OO....O........OOO......O.OO..O....
 .OO.....OOOO.OO.OO..O..OO.O...O...O
 ..OOOOO.........OO..O..O.....OOOOO.
 ...O.O..OOO..OOO.O.OO...OOOOOO.....
 ......O...................O.OOO....
 ......OO.O.O...................OOO.
 .........O.........................


  ,      ,       ,   ,      ,     ,   .     ,    .

         ,      .  ,        ,         (""  ).   ,  ,          , ,     ,      .           (       ).

    ,      .

[   4 ( c/2)]
 ....OO.........................
 .OO.......................OO.O.
 OO..O.O................OOOO...O
 .OO.O.O......OO......OO........
 ..O...OO....OOOO.....OO..OO...O
 ...OO.OOO.....O...O.O....O..OO.
 ....OO.......OOO..OO.O..O......
 ......O.OO.O.O.................
 ....OOO.....O...O.O...O.OO.....
 ....OOO.OO...OO..O...OO....O...
 ......O..OO.OO.O...O.O..OO.O...
 ..OO.OO.O...OOO.....OO.OOO.O...
 .O.OO.................O.....O..
 OO.....................OOO..O..
 .OOOO....................O..O..
 ..OOO..........................


         ,        .

[   4     ( c/2)]
 ....OO...............................
 .OO.......................OO.O.......
 OO..O.O................OOOO...O......
 .OO.O.O......OO......OO..............
 ..O...OO....OOOO.....OO..OO...O......
 ...OO.OOO.....O...O.O....O......OO..O
 ....OO.......OOO..OO.O..O......O.OO..
 ......O.OO.O.O...............O...OOOO
 ....OOO.....O...O.O...O.OO...OO.O....
 ....OOO.OO...OO..O...OO....O...OO.OOO
 ......O..OO.OO.O...O.O..OO.O.....OO..
 ..OO.OO.O...OOO.....OO.OOO.O.....OO..
 .O.OO.................O.....O........
 OO.....................OOO..O........
 .OOOO....................O..O........
 ..OOO................................


 ....OO.........................................
 .OO.......................OO.O.................
 OO..O.O................OOOO...O...........O....
 .OO.O.O......OO......OO.............O...OO.O...
 ..O...OO....OOOO.....OO..OO...O....O....O...O..
 ...OO.OOO.....O...O.O....O....O...OO.....O.O...
 ....OO.......OOO..OO.O..O......OO.OOO...OO.O.OO
 ......O.OO.O.O...............O.OO..O.OOO.O.O...
 ....OOO.....O...O.O...O.OO...OO..O........O.O..
 ....OOO.OO...OO..O...OO....O.........OO.O.O.O..
 ......O..OO.OO.O...O.O..OO.O......OOOOOOO.O.O..
 ..OO.OO.O...OOO.....OO.OOO.O.......OO....O.....
 .O.OO.................O.....O.......O....O...O.
 OO.....................OOO..O............O..O..
 .OOOO....................O..O..................
 ..OOO..........................................


    ,       .

[   4     ( c/2)]
 ................................O...
 ..............................O..O..
 ....OO..............................
 .OO.........................OO.OO...
 OO..O.O......................O.OO...
 .OO.O.O......OO..........OOO.O.OOO..
 ..O...OO....OOOO........OO.O.O.O.OO.
 ...OO.OOO.....O...O........O.O...O..
 ....OO.......OOO..OO...OOO.O.OO...O.
 ......O.OO.O.O......OOO.OO.O........
 ....OOO.....O...O.O......O..O..O....
 ....OOO.OO...OO..O......OO..O...O...
 ......O..OO.OO.O...O..O.O.O.O.O.OOO.
 ..OO.OO.O...OOO.........O.O.O.O..O.O
 .O.OO....................O..O.O.....
 OO........................OOO.O.....
 .OOOO.......................O....O..
 ..OOO........................OO..O..
 ...............................OO...


 ................................O...........
 ..............................O..O..........
 ....OO....................................O.
 .OO.........................OO.OO......OOOO.
 OO..O.O......................O.OO......O....
 .OO.O.O......OO..........OOO.O.OOO..OO..O...
 ..O...OO....OOOO........OO.O.O.O.OOO.O.OO...
 ...OO.OOO.....O...O........O.O...O.O.O...O..
 ....OO.......OOO..OO...OOO.O.OO....O......O.
 ......O.OO.O.O......OOO.OO.O.......O..O...O.
 ....OOO.....O...O.O......O..O..O...OO..OO...
 ....OOO.OO...OO..O......OO..O...O.O.OO..O..O
 ......O..OO.OO.O...O..O.O.O.O.O.OO..O..O....
 ..OO.OO.O...OOO.........O.O.O.O..O..O.O.....
 .O.OO....................O..O.O.....O.O...O.
 OO........................OOO.O......OOO....
 .OOOO.......................O....O.....O...O
 ..OOO........................OO..O......OO.O
 ...............................OO...........


 -    ,       .
           .     ,   ,     .

[      4 ( c/2)]
 ..............................OOO.......O.......
 ....OO.........................OO.OO...OO.......
 .OO.........................OO.O.OOO..O.........
 OO..O.O......................O.O.O.O..O..OO.O.O.
 .OO.O.O......OO..........OOO.O.O.....OO...OO...O
 ..O...OO....OOOO........OO.O.O.O...........O.O..
 ...OO.OOO.....O...O........O.O..O..O...O.O......
 ....OO.......OOO..OO...OOO.O.OO...O.....O.......
 ......O.OO.O.O......OOO.OO.O...OO.O.OO..........
 ....OOO.....O...O.O......O..O....O....O.........
 ....OOO.OO...OO..O......OO..O....O.O.O..........
 ......O..OO.OO.O...O..O.O.O.O.O...O.....O.......
 ..OO.OO.O...OOO.........O.O.O.O.OO....OOO....OO.
 .O.OO....................O..O.O.O....O...OO.OOO.
 OO........................OOO.O.O...OO.....O....
 .OOOO.......................O.O..O.O.O.O...O....
 ..OOO........................OO.OO.....O........
 ...............................OOO......OO......
 ................................OO..............


 ..............................OOO.......O......
 ....OO.........................OO.OO...OO......
 .OO.........................OO.O.OOO..O........
 OO..O.O......................O.O.O.O..O..OO.O..
 .OO.O.O......OO..........OOO.O.O.....OO...OO..O
 ..O...OO....OOOO........OO.O.O.O...........O..O
 ...OO.OOO.....O...O........O.O..O..O...O.O.....
 ....OO.......OOO..OO...OOO.O.OO...O.....O......
 ......O.OO.O.O......OOO.OO.O...OO.O.OO.........
 ....OOO.....O...O.O......O..O....O....O........
 ....OOO.OO...OO..O......OO..O....O.O.O.........
 ......O..OO.OO.O...O..O.O.O.O.O...O.....O......
 ..OO.OO.O...OOO.........O.O.O.O.OO....OOO....O.
 .O.OO....................O..O.O.O....O...OO.OO.
 OO........................OOO.O.O...OO.....O...
 .OOOO.......................O.O..O.O.O.O...O...
 ..OOO........................OO.OO.....O.......
 ...............................OOO......OO.....
 ................................OO.............


        .
 ,   ,       ,         .

[    4        ( c/2)]
 ............................O.OO..............
 ..........................OOOOOO..............
 .........................O.....OOOO.O.........
 .........................O..OO..O....O........
 .......OOO...............OO.O.OOOO.O.....O....
 ..OOOOOO...................OO.......OOOO.O....
 ..O...OO...OO..OO.OO........OO.......O........
 ..O...O.......OOOO..O..OO...OO.........OO.....
 ...OO.O..OO..........O..OO.O...OO.....O.......
 ....OOOO..O....OO.O.O..O..O............O......
 ........O...O..OO.O..OO.OOO............O...O..
 ..OO....OO..OOOO...O.O..O...............OOOOOO
 OO.....O.OOO.O.....O.O.OO...................OO
 O..O..OOO..O.O............O.................OO
 O......OO.............O...O..............O..O.
 .OO.....O...OO....OOOOO.....................O.
 .........OOOOO.....O..OOO..............OO.O...
 ...O...O.O...O..O..O....OO...O.........O......
 ...O.O.O.O.....O.OO....O..O...O.......O..O....
 ..OO.OO...OOO.OOO.O....OOOO.O.O........OO.....
 ..O..O............O..O...OOO..O......O........
 ..O....O..................OO...O..O..O.OO.....
 ...O..OOOO...............O...O....O.O...O.....
 .....O..OO...............O..OOOOO.OO..........
 .........................OO...O....O..........
 ...........................OOO...O............
 .............................O................


 ............................O.OO..............
 ..........................OOOOOO..............
 .........................O.....OOOO.O.........
 .........................O..OO..O....O........
 .......OOO...............OO.O.OOOO.O.....O....
 ..OOOOOO...................OO.......OOOO.O....
 ..O...OO...OO..OO.OO........OO.......O........
 ..O...O.......OOOO..O..OO...OO.........OO.....
 ...OO.O..OO..........O..OO.O...OO.....O.......
 ....OOOO..O....OO.O.O..O..O.......OO...O......
 ........O...O..OO.O..OO.OOO......O.....O...O..
 ..OO....OO..OOOO...O.O..O.......O.......OOOOOO
 OO.....O.OOO.O.....O.O.OO......O....O.......OO
 O..O..OOO..O.O............O....O...O........OO
 O......OO.............O...O....O..O......O..O.
 .OO.....O...OO....OOOOO.........OO..........O.
 .........OOOOO.....O..OOO..........O...OO.O...
 ...O...O.O...O..O..O....OO...O...O.O...O......
 ...O.O.O.O.....O.OO....O..O...O...O...O..O....
 ..OO.OO...OOO.OOO.O....OOOO.O.O........OO.....
 ..O..O............O..O...OOO..O......O........
 ..O....O..................OO...O..O..O.OO.....
 ...O..OOOO...............O...O....O.O...O.....
 .....O..OO...............O..OOOOO.OO..........
 .........................OO...O....O..........
 ...........................OOO...O............
 .............................O................


             .        ,       ,         .

   ,         . (          ,           .)

[     4 ( c/2)]
 ....O..O...............
 ..OOO....OO............
 .O......OOOO...........
 OO.OO.O.O..O...........
 .OO....O..OO.O.O.......
 ..O...O....OOO.O...OO..
 ...OOO......O..O.O.....
 .....O.......O...O...O.
 ....O..O....O..O.O....O
 ........O...O.....OOO..
 ..OO.......OOO.O.......
 .O.OO...O.O....O.......
 OO...OO..OO............
 .OO.....OO.............
 ..OOOOO................
 .....O.................


 ....O..O.................
 ..OOO....OO.......OOOO...
 .O......OOOO......O...O..
 OO.OO.O.O..O......O......
 .OO....O..OO.O.O...O...O.
 ..O...O....OOO.O.........
 ...OOO......O..O.O...OO..
 .....O.......O...OOOOO...
 ....O..O....O..O.OO..O.OO
 ........O...O......O.OOOO
 ..OO.......OOO.O......OO.
 .O.OO...O.O....O.........
 OO...OO..OO.......OOOO...
 .OO.....OO........O...O..
 ..OOOOO...........O......
 .....O.............O..O..


       ,  .
  ,          "",     .           .

[   4 ( c/2)]
 ................OO
 ..OOO.O........O..
 .OOOO.O...OOOO.OOO
 OO......O.O...OO..
 .O.O....O......O..
 ..OOOO....OO...OO.
 ...OOO.OO....O.OO.
 ..........OOOO.O..
 .........OO.....O.
 ......O..O.OOOO...
 .....O......O.OO..
 ..OO.OO.OOO.......
 .OO..OO....OOO....
 OO..OO...O....O...
 .OO.OOO..OO.......
 ....OO.........OO.
 ................O.


10  1992        c/2    4.        ,          .        ,  ,         ,         .        .
   ,   -.

[    4 ( c/2)]
 ..O.......
 .OOOOO....
 OO...OO.O.
 .O.......O
 ..OO..O.O.
 ..........
 ..OO..O.O.
 .O.......O
 OO...OO.O.
 .OOOOO....
 ..O.......


           ,            ,      .   .

[     4,   ( c/2)]
 ...O......
 .OO.......
 .O..OOO..O
 .O....OOO.
 ..OOO..OO.
 ..........
 ....OO....
 ..O....O..
 .O........
 .O.....O..
 .OOOOOO...


    ,  ,    ,        .

[     4  ,    ( c/2)]
 ......O.......
 ....OO........
 ....O..OOO..O.
 ....O....OOO..
 .....OOO..OO..
 ..............
 ...OOOOO......
 ..OOOOOOO.....
 .OO.OOOOO.....
 ..OO..........
 ..............
 ..............
 ......O.......
 ....OO...OO.OO
 ....O..O.OO...
 ....O..OOOO...
 .....OO.O.....


           .    ,      .

[     4   ,    ( c/2)]
 .....O.........
 ....OOOOO......
 ...OO...OO.O...
 ....O.......O..
 .....OO..O.O...
 ...............
 ..O...........O
 .O.............
 .O............O
 .OOOOOOOOOOOOO.
 ...............
 ...............
 .....O.........
 ....OOO.OOOO...
 ...OO.OO.......
 ....O.....O....
 .....OO.O......


 ,        ,      .        -,        ,    .
 ,      ,      .

[     8 ( c/2)]
 .............OOO.         .............OOOO.
 ............OOOOO         .............O...O
 ...........OO.OOO         .............O....
 ............OO...         ..............O..O
 .................         .................O
 .................         ...............O.O
 .........O.O.....         .............OO...
 ..O.....O..O.....         .............O..O.
 .OOOOO...O.O.....         .........O.OOO.OOO
 OO...OO.OO.......         ..O.....O..O......
 .O.......O.......         .OOOOO...O.O......
 ..OO..O..O.......         OO...OO.OO........
 ..........O......         .O.......O........
 ..OO..O..O.......         ..OO..O..O........
 .O.......O.......         ..........O.......
 OO...OO.OO.......         ..OO..O..O........
 .OOOOO...O.O.....         .O.......O........
 ..O.....O..O.....         OO...OO.OO........
 .........O.O.....         .OOOOO...O.O......
 .................         ..O.....O..O......
 .................         .........O.OOO.OOO
 ............OO...         .............O..O.
 ...........OO.OOO         .............OO...
 ............OOOOO         ...............O.O
 .............OOO.         .................O
                           ..............O..O
                           .............O....
                           .............O...O
                           .............OOOO.


    ,     8 .
    ,       . ,     ,     4,       8.          .

                5,      ,    .

       .

