C22213331333133313112331323133313331333133313232321333131211111311223131   >>    C2221333133313331311233132313331333133313331323232133313121111131122313   <<    C22213331333133313112331323133313331333133313232321333131211111311223133   >>      C22213331333133313112331323133313331333133313232321333131211111311223132   >>