C22212323232133313113313331333132313331323132313331132232111213121   >>    C2221232323213331311331333133313231333132313231333113223211121312   <<    C22212323232133313113313331333132313331323132313331132232111213123   >>      C22212323232133313113313331333132313331323132313331132232111213122   >>