A starting block signal from {TAIL ~ a starting block} and a touch signal from a touch panel are inputted to {HEAD ~ a signal distributor} equipped at every lane 
A starting block signal from { TAIL ~ a starting block } and a touch signal from a touch panel are inputted to { HEAD ~ a signal distributor } equipped at every lane
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH