Otherwise {TAIL ~ the routine} continues at process 1051 to retrieve the next byte in {HEAD ~ the program} 
Otherwise { TAIL ~ the routine } continues at process 1051 to retrieve the next byte in { HEAD ~ the program }
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD