-, 30 . , , . , . : ● 3 ● () 1 ● (, ) 1 . ● 1/3 ● 1/3 ● 1/2 ● ● 2 . ● 1/2 . . : . . , 30 . , . ! , - . , . . , 2000 .
"": 1 - 2 - ... 27 - 28 - 29 - - 30 30 - - - , , ! 31 - C " "... 35 - () 36 - " " 37 - .