C221212331313232233132333132311331323331333131133132313221211111   >>    C22121233131323223313233313231133132333133313113313231322121111   <<    C221212331313232233132333132311331323331333131133132313221211113   >>      C221212331313232233132333132311331323331333131133132313221211112   >>