In one embodiment, {HEAD ~ the apparatus} includes {TAIL ~ a buffer} and a routing data generation circuit 
includes
In one embodiment , { HEAD ~ the apparatus } includes { TAIL ~ a buffer } and a routing data generation circuit
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH