In one embodiment, decoding is accomplished by accessing a storage device using {HEAD ~ an address} formed by a table number, a subclass number derived from the class number and all of the bits in the remainder except {TAIL ~ the least significant bit} 
In one embodiment , decoding is accomplished by accessing a storage device using { HEAD ~ an address } formed by a table number , a subclass number derived from the class number and all of the bits in the remainder except { TAIL ~ the least significant bit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL