C11111333133313232233133313331333133313331312111133133112111112111133131212231   >>    C1111133313331323223313331333133313331333131211113313311211111211113313121223   <<    C11111333133313232233133313331333133313331312111133133112111112111133131212233   >>      C11111333133313232233133313331333133313331312111133133112111112111133131212232   >>