C31232233133313221211113313331333133313331212111133131211113311223112332231   >>    C3123223313331322121111331333133313331333121211113313121111331122311233223   <<    C31232233133313221211113313331333133313331212111133131211113311223112332233   >>      C31232233133313221211113313331333133313331212111133131211113311223112332232   >>