In other embodiments of {TAIL ~ the present invention}, {HEAD ~ step} 74 can be called as subroutine and run concurrently with processing of other module columns as described above with respect to FIG 5 
In other embodiments of { TAIL ~ the present invention } , { HEAD ~ step } 74 can be called as subroutine and run concurrently with processing of other module columns as described above with respect to FIG 5
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH 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