6.
...
. 700 1300 1 ...
: 68
- . .. , "" , .
, - 1,5-2 .
, .
.
, ( ) .
, , ...
(1:1), - .
, , , .
"" 15 .
: , .
. . 7
7 .
. .
2,5 , .
: , , .
" ": 1 - 2 - more 3 - more 4 - more 5 - more 6 - more 7 - more... 22 - 23 - 24 -