difference between two files

I have two files something like this:=0A=0Afile 1=0A-------=0A1=0A2=0A4=0A5=
=0A6=0A8=0A9=0A=0Afile2=0A-----=0A1=0A2=0A3=0A4=0A5=0A6=0A7=0A8=0A9=0A=0Ai =
want to strip out only what's different in file 2 from file 1.=A0 the outpu=
t would only be 3 and 7.=A0 i've tried using diff, sort, uniq, and comm but=
 can't quite seem to get what i need.=0A=0Aany thoughts?=0A=0Athanks!!=0A=
=0A-Rich=0A=0A=0A