C2221333133313331311233132313331333133313331323232133313331322223313331313121   >>    C222133313331333131123313231333133313331333132323213331333132222331333131312   <<    C2221333133313331311233132313331333133313331323232133313331322223313331313123   >>      C2221333133313331311233132313331333133313331323232133313331322223313331313122   >>