C31232233133313221211113313331333133313331212111133133311331323231311223331   >>    C3123223313331322121111331333133313331333121211113313331133132323131122333   <<    C31232233133313221211113313331333133313331212111133133311331323231311223333   >>      C31232233133313221211113313331333133313331212111133133311331323231311223332   >>