avail[] = available sides - size is the x in xgen
flags[] = {true, true, true...} same size as avail
length = length of scramble
scramble = ""
followers[] = {" ", "' ", "2 "} 
repeat (length) 
{
   :lolool   
   x = rand(avail.size) (face)
   y = rand(3) (normal, ', or 2)
   if (flags[x])
   {
       scramble += avail[x] + followers[y]
    // set flags for x to false and all adjacent sides to true
   }
   else goto lolool
}