{HEAD ~ The invention} also comprises {TAIL ~ a method} of block molding and a mold assembly which may be used to make a block which may be stackable to form structures of varying setback 
comprises
{ HEAD ~ The invention } also comprises { TAIL ~ a method } of block molding and a mold assembly which may be used to make a block which may be stackable to form structures of varying setback
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH