C133323133112111133133313331333133313231322331333133313331212231   >>    C13332313311211113313331333133313331323132233133313331333121223   <<    C133323133112111133133313331333133313231322331333133313331212233   >>      C133323133112111133133313331333133313231322331333133313331212232   >>