C221212331313232233132333132311331323331333131133132313231322311   >>    C22121233131323223313233313231133132333133313113313231323132231   <<    C221212331313232233132333132311331323331333131133132313231322313   >>      C221212331313232233132333132311331323331333131133132313231322312   >>