goruby, 32 bytes

Result

WA

Code [DL]

dw{p 2[1-(1+8*gt.toi(2))**.5%1]}

stdin

11001101
01111000
11001110
11101100
10010101
10001000
00101101
01001110
00011101
10101001
11010111
11111101
11010001
11100111
10000000
01000010
00000001
11100110
01111001
01100110
01101001
00001010
00110011
10011001
00111001
00000110
10111110
01011011
00001111
00000000
10100010
11001111
00000011
00011100
11010010
01011101
11001000
10101011
00101100
00100100
00010101
10011111
00110111
11111101
10101000
11011010
01010100
01110110
01101001
11011000

stdout

stderr

/volume/CODE:1: no .<digit> floating literal anymore; put 0 before dot
dw{p 2[1-(1+8*gt.toi(2))**.5%1]}
                           ^
/volume/CODE:1: syntax error, unexpected '.'
dw{p 2[1-(1+8*gt.toi(2))**.5%1]}
                           ^
/volume/CODE:1: syntax error, unexpected ']', expecting '}'
w{p 2[1-(1+8*gt.toi(2))**.5%1]}
                              ^

strace