C111112111133131121133133313331333133313331323133313331312131111   >>    C11111211113313112113313331333133313331333132313331333131213111   <<    C111112111133131121133133313331333133313331323133313331312131113   >>      C111112111133131121133133313331333133313331323133313331312131112   >>