{TAIL ~ The oxidation catalytic converter} is arranged upstream of {HEAD ~ the exhaust gas particulate filter} in the exhaust passage 
{ TAIL ~ The oxidation catalytic converter } is arranged upstream of { HEAD ~ the exhaust gas particulate filter } in the exhaust passage
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH