Reset image number ever X images

I have multiple images shot from different angles in one folder. Each angle is exactly 24 frames so I would like the names to be FOLDERNAME-01-01 to FOLDERNAME-01-24. Then it would automatically go to FOLDERNAME-02-01 and all the way to FOLDERNAME-02-024 and so on. Is there any way of doing this without separating them into individual subfolders?

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Assuming that your files are correctly ordered in the List, you can use the following script:

folder = app.parseTags("<DirName:1>")
n = app.parseTags("<Inc NrDir:1>");
angle = Math.floor((n-1)/24 + 1);
frame = (n-1)%24 + 1;
return folder + "-" + ("0" + angle).slice(-2) + "-" + ("0" + frame).slice(-2);

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