It is far too complicated to recreate such a scenario. And if it does not match yours, then our solution will not work for you.
For this kind of requests, please create a sample file with the layout of your original file, filled with sample data and colored cells with the expected result.
At best make a copy of your original file and anonymize the necessary data. For this please download this file
https://www.dropbox.com/s/rkfxuh85j5wyj9y/modAnonymize.bas?dl=1
Open your Excel file
Right-click on the sheet tab
Choose "View Code"
Press CTRL-M
Select the downloaded file and import
Close the VBA editor
Select the cells with the confidential data
Press Alt-F8
Choose the macro Anonymize
Click Run
Upload it on OneDrive (or an other Online File Hoster of your choice) and post the download link here.
https://support.office.com/en-us/article/Share-OneDrive-files-and-folders-9fcc2f7d-de0c-4cec-93b0-a82024800c07
Then we can look at the file and try to find a solution. Thank you for your understanding.
Andreas.