C31232233133313221211113313331333133313331212111133132333112313113223331   >>    C3123223313331322121111331333133313331333121211113313233311231311322333   <<    C31232233133313221211113313331333133313331212111133132333112313113223333   >>      C31232233133313221211113313331333133313331212111133132333112313113223332   >>