C2111111331313232233132333132311331323331323112211232313331323123231211   >>    C211111133131323223313233313231133132333132311221123231333132312323121   <<    C2111111331313232233132333132311331323331323112211232313331323123231213   >>      C2111111331313232233132333132311331323331323112211232313331323123231212   >>