eBGDAElet ringlet ring1=78109111234212141718312131091112let ring4141217165141210119961011779975622238557532920010467657let ring110232312121314131214131121091112142=8212pm161415--------------------------------------------------1316161217161416-----------------|131616121311912171191012141218141512141214pm ---------161419-----------------------------------------------|13161612171614let ring20131616121311912211191012141222=7812131091091091112let ring231214171824121310911122514121716let ring2614121011992710117799285622232955753230200314676573202323331213141312143412