C2111111331313232233132333132311331323331323112211232313331323132231311   >>    C211111133131323223313233313231133132333132311221123231333132313223131   <<    C2111111331313232233132333132311331323331323112211232313331323132231313   >>      C2111111331313232233132333132311331323331323112211232313331323132231312   >>