C1111121111331311211331333133313331333133313221211113313331333131211113322331   >>    C111112111133131121133133313331333133313331322121111331333133313121111332233   <<    C1111121111331311211331333133313331333133313221211113313331333131211113322333   >>      C1111121111331311211331333133313331333133313221211113313331333131211113322332   >>