{HEAD ~ the control circuit} selects {TAIL ~ a second combination} of transmission elements from among the plurality of transmission elements so that the second combination of transmission elements is different from the first combination of transmission elements in one of arrangement and the number of transmission elements 
{ HEAD ~ the control circuit } selects { TAIL ~ a second combination } of transmission elements from among the plurality of transmission elements so that the second combination of transmission elements is different from the first combination of transmission elements in one of arrangement and the number of transmission elements
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL 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