/ use q 2016.03.14
md5: ![-15]

d:"ffykfhsq"

r:0
s:0
/ { r::(1+)/[{~"00000"~5#s::,/$md5@d,$x};r+1]; 1 s[5] }'!7;
-1"";

r: 0
p:8#"_"
{ r::(1+)/[{~"00000"~5#s::,/$md5@d,$x};r+1];$[s[5]<"8";$[p[. s[5]]="_";p[. s[5]]:s[6];];]; 1@p," ",($r)," ",($x),"\n" }'!34;

\\