rail, 104 bytes

Result

AC

Code [DL]

$'b'{niam}ioq(i)()-@
 -(!i!)(!!)()(i)g<
   #{b}a1(i)s(i)()-@
$'main'
 -i2mia2mia2mia2mia2mia2mia2mia0{b}

stdin

01110110
00010101
00000000
01101001
10111110
01111000
00001111
00100100
11110000
00111000
01100011
10001100
00001010
01010110
11001101
00001100
00000011
01010101
11111111
00000001
10111011
11111101
00001111
10100001
00010000
10011001
10101011
01101000
11111101
11010010
10010000
00000110
11100111
00111101
00110111
00010100
00101101
11001111
01001110
10001000
11011011
01110010
10101010
10100010
00110101
01011011
00001110
10010111
01000010
00011100

stdout

01111111000010001001011001101101101010110000010011

stderr

Crash: A read was attempted when there is no more inputIndex Out Of Bounds for the 'cut' command

strace