{HEAD ~ The layout modeling system} 40 includes {TAIL ~ a plurality} of links 70 to connect the nodes 51 through 62 to each other along transport routes 6 a and 6 b, and having route information to correspond to the transport routes 6 a and 6 b between the respective nodes 51 through 62 
{ HEAD ~ The layout modeling system } 40 includes { TAIL ~ a plurality } of links 70 to connect the nodes 51 through 62 to each other along transport routes 6 a and 6 b , and having route information to correspond to the transport routes 6 a and 6 b between the respective nodes 51 through 62
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH