https://api.itextpdf.com/iText7/dotnet/7.2.5/
https://kb.itextpdf.com/home/it7kb/examples
https://kb.itextpdf.com/home/it7kb/examples/create-booklet-from-a4-document https://kb.itextpdf.com/home/it7kb/examples/drawing-lines
https://api.itextpdf.com/iText7/dotnet/7.2.5/
https://kb.itextpdf.com/home/it7kb/examples
https://kb.itextpdf.com/home/it7kb/examples/create-booklet-from-a4-document https://kb.itextpdf.com/home/it7kb/examples/drawing-lines