C1111121111331311211331333133313331333131232212111133132323233311   >>    C111112111133131121133133313331333133313123221211113313232323331   <<    C1111121111331311211331333133313331333131232212111133132323233313   >>      C1111121111331311211331333133313331333131232212111133132323233312   >>