   - 30 .  1-1-2-2-4    .

        ( ):
 1:  1 .
 2:   ,   1 .
 3:    ,   2 .
 4:    ,   2 .
 5:    ,   4 .
 6:    ,   4 .    .

      6   ,    3
      5,    3
      4,    3
      3,    1
      2,    1

,      ( ):
 1:  1 .
 2:   ,    1 .
 3:   ,    2 .
 4:   ,  2 .
 5:   ,  4 .
 6:   ,    1.  .     .

     5,     3
     4,     3
     3,     1
     2,     1

       .   .       .
       20-25 ,   20-25    .   ,    ,      2-3       .    ,       ,    ,      . 
