C31232233133313221211113313331333133313331212111133133313111121122331   >>    C3123223313331322121111331333133313331333121211113313331311112112233   <<    C31232233133313221211113313331333133313331212111133133313111121122333   >>      C31232233133313221211113313331333133313331212111133133313111121122332   >>