C221212331313232233132333132311331323331333131133132313311211231   >>    C22121233131323223313233313231133132333133313113313231331121123   <<    C221212331313232233132333132311331323331333131133132313311211233   >>      C221212331313232233132333132311331323331333131133132313311211232   >>