C2111111331313232233132333132311331323331323112211232313331323223313233311211   >>    C211111133131323223313233313231133132333132311221123231333132322331323331121   <<    C2111111331313232233132333132311331323331323112211232313331323223313233311213   >>      C2111111331313232233132333132311331323331323112211232313331323223313233311212   >>