Sometimes its hard to see clearly

WinMerge Might Just help. This is no easy task to develop a program to do this kind of data comparision.

Features:
Visual differencing and merging of text files
Flexible editor with syntax highlighting, line numbers and word-wrap
Handles DOS, UNIX and MAC text file formats
Unicode support
Difference pane shows current difference in two vertical panes
Location pane shows map of files compared
Highlights differences inside lines in file compare
Regular Expression based file filters in directory compare allow excluding and including items
Moved lines detection in file compare
Creates patch files
Shell Integration (supports 64-bit Windows versions)
Rudimentary Visual SourceSafe and Rational ClearCase integration
Archive file support using 7-Zip
Plugin support
Localizable interface via resource DLL
Online manual and installed HTML Help manual

http://winmerge.org/