C2221333133313331311233132313331333133313331323331123231333133313231323121   >>    C222133313331333131123313231333133313331333132333112323133313331323132312   <<    C2221333133313331311233132313331333133313331323331123231333133313231323123   >>      C2221333133313331311233132313331333133313331323331123231333133313231323122   >>