C31232233133313221211113313331333133313331212111133121111121111133113231   >>    C3123223313331322121111331333133313331333121211113312111112111113311323   <<    C31232233133313221211113313331333133313331212111133121111121111133113233   >>      C31232233133313221211113313331333133313331212111133121111121111133113232   >>