                  .          .

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

     ,     ,    "/".  ,    ( 1,3,5,...)   ,   -  .  ,             "  ",   .

      :

        ,          "0"   .             "7"  "9",     "4"  "6"     .      ,     "2".      .    ,      "8"    .

                I- ( ),    12- .        .      ,    -    .
