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