C111112111133131121133133313331333133313331312111133133313232233131121132231   >>    C11111211113313112113313331333133313331333131211113313331323223313112113223   <<    C111112111133131121133133313331333133313331312111133133313232233131121132233   >>      C111112111133131121133133313331333133313331312111133133313232233131121132232   >>