C22212323232133313113313331333133313231333112123221322213322231   >>    C2221232323213331311331333133313331323133311212322132221332223   <<    C22212323232133313113313331333133313231333112123221322213322233   >>      C22212323232133313113313331333133313231333112123221322213322232   >>