{HEAD ~ Driving circuits} 22 a for supplying driving electric power to the corresponding fuel injection valves 22 are electrically connected to {TAIL ~ the respective fuel injection valves} 22 
are electrically connected to
{ HEAD ~ Driving circuits } 22 a for supplying driving electric power to the corresponding fuel injection valves 22 are electrically connected to { TAIL ~ the respective fuel injection valves } 22
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH