The combined low and medium pressure off gas stream is contacted with {TAIL ~ the high pressure liquid} in {HEAD ~ the high pressure flash zone} 
The combined low and medium pressure off gas stream is contacted with { TAIL ~ the high pressure liquid } in { HEAD ~ the high pressure flash zone }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD