C1111121111331311211331333133313331333131211113313331333232133313232111   >>    C111112111133131121133133313331333133313121111331333133323213331323211   <<    C1111121111331311211331333133313331333131211113313331333232133313232113   >>      C1111121111331311211331333133313331333131211113313331333232133313232112   >>