C2111111331313232233132333132311331323331323112211232313331323132132311   >>    C211111133131323223313233313231133132333132311221123231333132313213231   <<    C2111111331313232233132333132311331323331323112211232313331323132132313   >>      C2111111331313232233132333132311331323331323112211232313331323132132312   >>