C2221333133313331311233132313331333133313331333133313331323133313331322321221   >>    C222133313331333131123313231333133313331333133313331333132313331333132232122   <<    C2221333133313331311233132313331333133313331333133313331323133313331322321223   >>      C2221333133313331311233132313331333133313331333133313331323133313331322321222   >>