C31232233133313221211113313331333133313331212111133133313221333131222113231   >>    C3123223313331322121111331333133313331333121211113313331322133313122211323   <<    C31232233133313221211113313331333133313331212111133133313221333131222113233   >>      C31232233133313221211113313331333133313331212111133133313221333131222113232   >>