C22212323232133313113313331333132313331323132313331132232113121323111   >>    C2221232323213331311331333133313231333132313231333113223211312132311   <<    C22212323232133313113313331333132313331323132313331132232113121323113   >>      C22212323232133313113313331333132313331323132313331132232113121323112   >>