C221212331313232233132333132311331323331333131133131133131323121   >>    C22121233131323223313233313231133132333133313113313113313132312   <<    C221212331313232233132333132311331323331333131133131133131323123   >>      C221212331313232233132333132311331323331333131133131133131323122   >>