C31232233133313221211113313331333133313331212111111221123223331   >>    C3123223313331322121111331333133313331333121211111122112322333   <<    C31232233133313221211113313331333133313331212111111221123223333   >>      C31232233133313221211113313331333133313331212111111221123223332   >>