Relay

modem = peripheral.wrap("back")
rednet.open("back")
modem.open(0)

while true do

  rednet.receive("display-router")
  rednet.broadcast("requesting","router-core1")
  local _, E1 = rednet.receive("core1-router")
  sleep(1)
  rednet.broadcast(E1,"router-display")
  print("E1 Results Sent!")

  rednet.receive("display-router")
  rednet.broadcast("requesting","router-core2")
  local _, E2 = rednet.receive("core2-router")
  sleep(1)
  rednet.broadcast(E2,"router-display")
  print("E2 Results Sent!")

  rednet.receive("display-router")
  rednet.broadcast("requesting","router-core3")
  local _, E3 = rednet.receive("core3-router")
  sleep(1)
  rednet.broadcast(E3,"router-display")
  print("E3 Results Sent!")

  rednet.receive("display-router")
  rednet.broadcast("requesting","router-core4")
  local _, E4 = rednet.receive("core4-router")
  sleep(1)
  rednet.broadcast(E4,"router-display")
  print("E4 Results Sent!")

end