I did...
From my understanding, the numbers would go 0,1,2,3,4,5,6,7,8,9,X,E,10,11,12 etc. Correct? But the the number 10 would have the base-10 value of '12, or a dozen' Resultingly, a base-12 system would actually be called a base-10 system. That is all I'm saying.