C1111121111331311211331333133313331333133313121111331333133313222322233311   >>    C111112111133131121133133313331333133313331312111133133313331322232223331   <<    C1111121111331311211331333133313331333133313121111331333133313222322233313   >>      C1111121111331311211331333133313331333133313121111331333133313222322233312   >>