C31232233133313221211113313331311331333133313331311331322122331   >>    C3123223313331322121111331333131133133313331333131133132212233   <<    C31232233133313221211113313331311331333133313331311331322122333   >>      C31232233133313221211113313331311331333133313331311331322122332   >>