Result

AC

Code [DL]

n/{{48-}%2base 8*).),{.*1$=},,\;}%~;

stdin

10111110
11111101
00000011
10001000
00100100
00001010
00101101
10010010
00001111
00000010
00110111
01111110
00001110
10101010
01101001
00001011
10001111
01101010
01001011
11001110
11011110
01000100
11010010
00011110
00000001
01011011
11111100
01011000
00000110
00101101
00111100
10111111
00010100
00011100
01101100
10011001
10100111
11100111
11010010
10101011
11011000
10101101
01111000
00010101
11000011
11000010
01000010
00000000
01000111
01001110

stdout

11111110101000100000001011001100010101110011001101

stderr

strace