C1111121111331311211331333133313331333131211113313331321122332321111   >>    C111112111133131121133133313331333133313121111331333132112233232111   <<    C1111121111331311211331333133313331333131211113313331321122332321113   >>      C1111121111331311211331333133313331333131211113313331321122332321112   >>