 encode: STR:     2ddbf60e-7fc4-11e3-a5ac-080027cd5e4d   
         INT:     60957363443838745229478843813485960781 
 decode: variant: RFC 4122                               
         version: 1 (time and node based)                
         content: time:  2014-01-17T22:10:31+00:00       
                  clock: 9644 (usually random)           
                  node:  08:00:27:cd:5e:4d               
