C31232233133313221211113313331333133313331212111133131211111313233211111   >>    C3123223313331322121111331333133313331333121211113313121111131323321111   <<    C31232233133313221211113313331333133313331212111133131211111313233211113   >>      C31232233133313221211113313331333133313331212111133131211111313233211112   >>