C2111111331313232233132333132311331323331333132313331311331323132322231   >>    C211111133131323223313233313231133132333133313231333131133132313232223   <<    C2111111331313232233132333132311331323331333132313331311331323132322233   >>      C2111111331313232233132333132311331323331333132313331311331323132322232   >>