C31232233133313221211113313331333133313113311331333133313122132333131331   >>    C3123223313331322121111331333133313331311331133133313331312213233313133   <<    C31232233133313221211113313331333133313113311331333133313122132333131333   >>      C31232233133313221211113313331333133313113311331333133313122132333131332   >>