C2221333133313331311233132313331333133313331323121111133313113121221   >>    C222133313331333131123313231333133313331333132312111113331311312122   <<    C2221333133313331311233132313331333133313331323121111133313113121223   >>      C2221333133313331311233132313331333133313331323121111133313113121222   >>