Apparently, there are 1,961,990,553,600 ways to feed a shoelace through 12 eyelets...look at the formula through this link!
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 and vertically, forming a secure "ladder".'
Link up: http://www.fieggen.com/shoelace/lacingmethods.htm
On the page, click on the picture for the instructions.
Perhaps different types each week?