This output can be utilized to set {TAIL ~ the variable node processor} to use {HEAD ~ different update functions} 
This output can be utilized to set { TAIL ~ the variable node processor } to use { HEAD ~ different update functions }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD