I have these locations in a spreadsheet : S23160A1
S23161A1
I want to add more locations to look like this : S23160A1
S23160A2
S23160A3
S23160A4
S23160A5
S23160B1
S23160B2
S23160B3
S23160B4
S23160B5
The letters will also include C and D
I have 9000 locations is there a way I can do this without doing them one at a time?
Thanks
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