C2221333133313331311233132313331333133313232123313331333131311331121   >>    C222133313331333131123313231333133313331323212331333133313131133112   <<    C2221333133313331311233132313331333133313232123313331333131311331123   >>      C2221333133313331311233132313331333133313232123313331333131311331122   >>