	     ( 1)
		 . 
		dbell(at)pdact.pd.necisa.oz.au
		12  1992
		  
		http://beluch.ru


    ,       .    ,        ,   ,  , ,         .

         .
-,       n/t/  1970       -        ,          .  -,        ,         .            .

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

       .      ,  ,  , ,          . ,  " "  -        .

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

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

     ( -  -),   .            -,   -.   ,       ,  ()        .
        .        ,   /.
       .

,    -   .
        -    ,      c ( ).                 (, ,     ). ,  (   )            .       ,       c/2    ,  c/4    .  ,      A    B  ,         2 * (A + B).
  (),             ,       ,       ,   .       ()       ,       ,       .

 ,        ,      .
 ,     ,  ,     .     ,    .       ,  ,      .

         .
 - ,    (),     (),     ().       ,     . :

[ (  , -,  4,  c/4)]
 .O.
 O..
 OOO


[ (-,  4,  c/2)]
 .O..O
 O....
 O...O
 OOOO.


[ (-,  4,  c/2)]
 ...O..
 .O...O
 O.....
 O....O
 OOOOO.


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


 -    .    ,      .       . ,      ,      ,   .        " ".         1970 ,      ,     .

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

       ,        ,        ,       .      ,         ,    .

 , ,  ,     -  ,   .  ,      (  ).           .

[ ]
 ...OOO..
 .O.....O
 O.......
 O......O
 OOOOOOO.


   ,    ,   ""    .         -.  -   .      ,         .

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


     ,      .  ,           .            ,  . ,     ,     ,    ,        .

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

            .  -  ,     1972 .           .

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


   ,        .
   .       , ,       ,  .       . ,    :

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


           ,        12.

       ,    .   .        .           ,    .      .    .

      B-.              B-.   ,  ,     .       ,       .      4600 ,  .          140.

[    B- (  140,  c/2)]
 .....
 .OO..
 OO.OO
 .OOOO
 ..OO.
 .....
 .....
 ....O
 ...OO
 ..OO.
 ...OO
 .....
 .....
 .....
 .....
 .OO..
 OO.OO
 .OOOO
 ..OO.


  ,             20.      ,       ,       .

[   20,   B- ( 20,  c/2)]
 ..........O..O........
 .OO......O............
 OO.OO....O...O........
 .OOOO....OOOO.........
 ..OO..................
 ......................
 ...........O..........
 ....O...O....O........
 ...OO....O...O...OO.OO
 ..OO.....O........O..O
 ...OO.............OOO.
 ............O..O......
 .............OO.......
 ......................
 ......................
 .OO...................
 OO.OO.................
 .OOOO.................
 ..OO..................


    ,     1984 .    -  ,      . (       8.) ,  ,   .

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


       ,      ,            .

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


  ,      ,       .       .       , ,     .       c/2,  ,     .  ,    ,     ,   ,      ?
 - ,   ,          .

     ,      ,  ,        .

      ,  - -.
   1 -.    30-  ,   9,     3c/10.

[ 1 -,   ]
 ..O
 .OO
 O..
 .OO
 ..O


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

        1971      .    ,      8 ,     .      ,       .             .  ,      ,         ,   . ,          .     ,    .   -     ,     .

[ - (  , -,  288,  c/12)]
 .O.O........................
 O...........................
 .O..O.......................
 ...OOO......................
 ............................
 ..........................OO
 ..........................O.


  -     ,     . (    -    11  .)        -.        ,    ,         1991 .   ,    - ,    .      13 -,    ,  ,   10  .         ,    .

   ,     80 ,       .     10  .  ,       10 ,        .

[  (  , ,  96,  c/12)]
 $$$.....OO$$$$$
 $$$.....O...OO$$$$......
 $$$....O......O.......OOO$$$.....
 $$$..OOOOO...O.....OOO$$$........
 $$$.....O...O......OOO$$$........
 $$$..O..O$.O$$$.........
 $$....OO.......OO$$$$$..
 $$....OO$$$$$$.
 $$$$$$$$.......
 $$$$$........O$$........
 $$$$$........O$$........
 $$$$$........O$$........
 $$$$$......OO$$.........
 $$$$$.....OOO$$.........
 $......OO$$$........OO$$.........
 $......OO$$$$$$.........
 $$$$$$$$.......
 $$$$$$$$.......
 $$$$$$$$.......
 $$$$$........O$$........
 $$$$$.......O$$.........
 $$$$$........O$$........
 ........OO$$$$$$$.......
 ........OO$$$......O$$$$
 $$$$.....O.O$$$.........
 $$$$....OO.OO$$$........
 $$$$.......OO$$$........
 $$$$.OO$$$$....
 $$$$...O..OOO$......O.O.......OOO.........
 $$$$.OO.O$$.O.....OOO$..
 OO$$$$.O..O$$.....OOO$..
 OO...O.......O$$.........O$$.........O$...
 ....O.O.....OOO$$.........OO$$$$.
 ...O..O..OOOO.OO$$$$$$$.
 .........O..OOO$$$O$$$$.
 ......O..OO..O$$.........OO.OO$$$......O..
 ....O.O.OO$$$....O$$$.........O..
 .....O$$$$.O$$$......O..
 $$$$.....O$..O.OO$$OO...
 $$$$.........O.O......O.OOO$........OOO...
 $$$$$.O....O.O....O$........OO...
 $$$$........O...O.O......OO$$....
 $$$$$OO..O..O...O$$.....
 $$$$$.O...OO.O$$........
 $$$$$.......O.O$$.......
 $$.......O$$.........O.O$$....O..
 $$......OOO$$$$$....O.O.
 $$.....OO.OO$$$$$..O..O.
 $$......OOO$$$$$........
 $$.......O$$$$$.........
 $$.....O.O$$$$$.....O..O
 $$....OOOO$$$$$...OOO.OO
 $$....O$$$$$.....O..OO..
 $$$$$$$$O..O...
 $$....OO.OO$$$$$..O.O...
 $$...O.....O$$$$$.......
 $$....O...O$$$$$........
 $$.......O...O.......O$$$$.......
 $$$O.O.....OOO$$$$......
 $$.........O..O..OOOO.OO$$$$.....
 $$$.....O..OOO$$$$......
 $$$..O..OO..O$$$.........OO......
 $$$O.O.OO$$$$...OO......
 $$$.O$$$$$.....
 $$$$$$$$.......
 $$$$$$$$.......
 $$$$$$$$.......
 $$$$$$$$.......
 $$$$$$$$.......
 $$$$$$$.OO$....
 $$$$$$$.OO$....
 $$$$$...O$$$...
 $$$$$..OOO$$$..
 $$$$$.OO.OO$$$.
 $$$$$..OOO$$$..
 $$$$$...O$$$...
 $$$$$.O.O$$$...
 $$$$$OOOO.........OO$$..
 $$$$$O$..OO$$..
 $$$$$$$$.......
 $$$$$OO.OO$$$..
 $$$$.........O.....O$$$.
 $$$$$O...O$$$..
 $$$$$...O$$$...
 $$$$$$$$.......
 $$$$$.....OO$$$
 $$$$$.....OO$$$


    ,  .         .        90  180 ,   .     ,     ,           ,   .

         ,     20 ,         . ,        .           ,   c/2    2.

        .

