C31232233133313221211113313331333133313331212111112111133121212113121   >>    C3123223313331322121111331333133313331333121211111211113312121211312   <<    C31232233133313221211113313331333133313331212111112111133121212113123   >>      C31232233133313221211113313331333133313331212111112111133121212113122   >>