japt, 22 bytes

Result

WA

Code [DL]

NmX{Xs n2 *8+1 q v1} q

stdin

01011011
11000001
10010000
01010001
00100000
11111100
01111111
01000110
10110010
00101101
01111000
11010010
01110110
10011100
10111011
00001010
00010101
00110000
00001111
01111110
01000010
00000110
11111010
10011001
00111111
10011110
11010010
00101011
00110111
01001110
10001100
11111101
10001000
00100100
01000010
00011100
10111110
01101000
01010110
00000000
01010111
11001111
01101101
00000001
11100111
10101011
11001000
01101001
10100111
00000011

stdout

1

stderr

strace