C31232233133313221211113313331333133313113311331333133313113322123331   >>    C3123223313331322121111331333133313331311331133133313331311332212333   <<    C31232233133313221211113313331333133313113311331333133313113322123333   >>      C31232233133313221211113313331333133313113311331333133313113322123332   >>