vim, 46 bytes

Result

WA

Code [DL]

00000000  71 7a 63 63 12 3d 73 71  72 74 28 73 74 72 32 6e  |qzcc.=sqrt(str2n|
00000010  72 28 40 40 2c 32 29 2a  38 2b 31 29 3d 7e 22 2e  |r(@@,2)*8+1)=~".|
00000020  2e 5c 3f 22 0a 1b 77 71  34 39 40 7a 5a 5a        |.\?"..wq49@zZZ|
0000002e

Disassembly

qzcc<C-R>=sqrt(str2nr(@@,2)*8+1)=~"..\?"<NL><Esc>wq49@zZZ

stdin

00000011
10111100
10110010
01001110
00110111
11100111
10010110
00011101
11110000
00010000
11100101
01101001
10101011
00010101
01000010
01111000
11010010
10110011
00110001
10101110
00111000
10001001
11010100
11000101
10000010
10110001
01000111
01000001
00101010
00100100
00101101
10111111
00011100
11111101
11111000
00110111
01011011
00001010
01000011
10000110
10100110
10011001
00001010
10001000
00000001
11000011
10111110
00001111
00000110
00000000

stdout

00000011
10111100
10110010
01001110
00110111
11100111
10010110
00011101
11110000
00010000
11100101
01101001
10101011
00010101
01000010
01111000
11010010
10110011
00110001
10101110
00111000
10001001
11010100
11000101
10000010
10110001
01000111
01000001
00101010
00100100
00101101
10111111
00011100
11111101
11111000
00110111
01011011
00001010
01000011
10000110
10100110
10011001
00001010
10001000
00000001
11000011
10111110
00001111
00000110
00000000

stderr

strace