. . , . , - . - . .
-15-20, -25-30, 4-6, -10-15.
- -10-15, - -20, -5-10.
-9-14, -20, -4-9.
-2 - +3, , 0 - +5, 5-10 .
, . -10-12 ( -10-15), -6-8 ( -5-10). . -10-12 ( -10-15), -5-7 ( -5-10). , . , -7-9 ( -7-12), - -5-7 ( -5-10).
" ", , . , , . . , , . , - .