Thought I'd post this for reference.
2012
http://mustangattitude.com/mustang/2012vinmatrix.shtml
2013
http://mustangattitude.com/mustang/2013vinmatrix.shtml
2012
http://mustangattitude.com/mustang/2012vinmatrix.shtml
2013
http://mustangattitude.com/mustang/2013vinmatrix.shtml