SwetlanaS
, " ". , .
|

.
|
,

1 . . 5,6,7,8,7,6,4,2
6
2. ------------ 5,6,7,6,4,2
4
3 4,5,4,2
2
2 ,
,
6
.

-----
1,2,3,3,2,1
1,2,3,3, , 2 , , , , , . 6 .
1,2,3,3 . , . --2,1 . , . , .
.
,
, 8 (1,2,4,6,8,8,7,5,3,1)
7 (1,2,4,6,8,7,5,3,1) ( 2 )
13 (1,2,4,3,1)
. , .. .