{TAIL ~ The error path} includes a first sub path, a second sub path, a second synthesizer and {HEAD ~ a third sub path} 
{ TAIL ~ The error path } includes a first sub path , a second sub path , a second synthesizer and { HEAD ~ a third sub path }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD