C31232233133313221211113313331333133313331212111133133313123111   >>    C3123223313331322121111331333133313331333121211113313331312311   <<    C31232233133313221211113313331333133313331212111133133313123113   >>      C31232233133313221211113313331333133313331212111133133313123112   >>