C2221333133313331311233132313331333133313331323312111113223313221221   >>    C222133313331333131123313231333133313331333132331211111322331322122   <<    C2221333133313331311233132313331333133313331323312111113223313221223   >>      C2221333133313331311233132313331333133313331323312111113223313221222   >>