C31232233133313221211113313331311331333133313113313331333133313331311112331   >>    C3123223313331322121111331333131133133313331311331333133313331333131111233   <<    C31232233133313221211113313331311331333133313113313331333133313331311112333   >>      C31232233133313221211113313331311331333133313113313331333133313331311112332   >>