C31232233133313221211113313331333133313331212111112111113311213111   >>    C3123223313331322121111331333133313331333121211111211111331121311   <<    C31232233133313221211113313331333133313331212111112111113311213113   >>      C31232233133313221211113313331333133313331212111112111113311213112   >>