C31232233133313221211113313331333133313331212111112111133121111122321323331   >>    C3123223313331322121111331333133313331333121211111211113312111112232132333   <<    C31232233133313221211113313331333133313331212111112111133121111122321323333   >>      C31232233133313221211113313331333133313331212111112111133121111122321323332   >>