C22212323232133313113313331333132313331323132313331132213122331212111   >>    C2221232323213331311331333133313231333132313231333113221312233121211   <<    C22212323232133313113313331333132313331323132313331132213122331212113   >>      C22212323232133313113313331333132313331323132313331132213122331212112   >>