Are you getting a when trying to extract it?
He puts them in three separate envelopes and mails them on different days. RUS-6.7z.002
Once I know, I can tell you exactly which tool to use or how to fix the extraction. Are you getting a when trying to extract it
If you only have RUS-6.7z.002 (the middle piece), you cannot read the map. It looks like nonsense. You must have all parts ( .001 , .002 , .003 ) in the same folder. When you use a program like 7-Zip to "Extract" the .001 file, it automatically grabs .002 to rebuild the original map. RUS-6.7z.002