Some are hard-coded..some are not... 
 
I honestly don't know which are which..and haven't seen a full break-down on such. 
 
 
There are a few threads that discuss this topic..but, experimentation may be the only option - unless someone else has more definitive information. 
		
	
		
		
		
		
		
		
			
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				Uleat of Bertoxxulous 
 
Compilin' Dirty
			 
		
		
		
		
		
		
	
		
		
	
	
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