diff --git a/pdftk basic usage b/pdftk basic usage
index 4ac9f60..850688d 100644
--- a/pdftk basic usage	
+++ b/pdftk basic usage	
@@ -44,3 +44,18 @@ Note that you must write to another file, as pdftk cannot overwrite the original
 Thus, make the file you save the scan as different than what you want the final file to be named.
 
 See https://sejh.wordpress.com/2014/11/26/changing-pdf-titles-with-pdftk/
+
+========================================================================
+
+To shuffle pages (interleave double-sided originals):
+
+Scan the front sides: 001a.pdf 
+This gives you pages 1 3 5 7 9
+
+Scan the reverse sides: 001b.pdf
+This gives you pages 10 8 6 4 2
+
+$ pdftk A=001a.pdf B=001b.pdf shuffle A1-5 B5-1 output 001.pdf
+
+001.pdf should now be in the order:
+1 2 3 4 5 6 7 8 9 10
diff --git a/shuffle-example/001.pdf b/shuffle-example/001.pdf
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diff --git a/shuffle-example/001a.pdf b/shuffle-example/001a.pdf
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diff --git a/shuffle-example/001b.pdf b/shuffle-example/001b.pdf
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