C31232233133313221211113313331311331333133313113313331333131122331   >>    C3123223313331322121111331333131133133313331311331333133313112233   <<    C31232233133313221211113313331311331333133313113313331333131122333   >>      C31232233133313221211113313331311331333133313113313331333131122332   >>