/ / / /

  , !

:
"" (: 5)
( . - 10, 20, 30, ... , 60, 90, 120): 90
( - , , ):
...
  (   )
( . - 10, 20, 30, ... , 60, 90, 120): 60
( - , , ):
...
( . - 10, 20, 30, ... , 60, 90, 120): 60
( - , , ):
...
( . - 10, 20, 30, ... , 60, 90, 120): 20, 90, 20, 90.
( - , , ):
...
-
( . - 10, 20, 30, ... , 60, 90, 120): 20
( - , , ):
...