!
● 3 ● 1 ● 2 ● 1 .. ( ) ● 1 .. ● 120 . ● ~40 ● 1 .. ● 1 ● 2 ● ● , ● ,
:
. 3 , 5 . . , 10 . , . , . . . 180 15 . 15 , , , .
→