recurse, 35 bytes

Result

WA

Code [DL]

$
#  v{m}2a}s}3{<
>0{>[{%?{5}r %^
$

stdin

01001110
10111110
11111000
00000000
11010101
00011010
00000011
10101011
00010101
11010011
01100100
11100111
00101100
10000110
00001111
10001000
00111101
01000010
01101001
10011001
10100001
11110000
10100011
00000001
00001010
01111000
00000111
10001101
11010010
00111110
01100011
00110111
10010101
00100100
10111110
00010000
10011001
11111011
00011100
01110001
00101101
01110101
01011011
01111100
10110010
00101110
11000100
11111101
01001010
00000110

stdout

03

stderr

strace