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