C31232233133313221211113313331333133313331212111133121111113132111   >>    C3123223313331322121111331333133313331333121211113312111111313211   <<    C31232233133313221211113313331333133313331212111133121111113132113   >>      C31232233133313221211113313331333133313331212111133121111113132112   >>