Almost 2 trillion ways to lace up your shoes?
Apparently, there are 1,961,990,553,600 ways (and counting!) to feed a shoelace through 12 eyelets...look at the formula through this link!
http://www.fieggen.com/shoelace/2trillionmethods.htm
Oh yes, the website also demonstrates over 30 ways to thread your shoelaces through the eyelets for different purposes.
Here's one of them from the website: This distinctive lacing is worn on military boots by paratroopers and ceremonial guard units. The laces weave horizontally an