-452, 469, i=4, 625 ()
-:
-452, 3151, 3741 ( /) ()
-3151, 3741 ( ) ( )
-3151, 3741 ( ) -4- . , .
-3151, 3741 (. , 4-. , . . , ) ()
3-4 .
(-, 2 ) ( )
-3741, 3962 -4 ()