C2111111331313232233132333132311331323331323112211232313331323221323111   >>    C211111133131323223313233313231133132333132311221123231333132322132311   <<    C2111111331313232233132333132311331323331323112211232313331323221323113   >>      C2111111331313232233132333132311331323331323112211232313331323221323112   >>