C31232233133313221211113313331333133313331212111133133313332332233313123231   >>    C3123223313331322121111331333133313331333121211113313331333233223331312323   <<    C31232233133313221211113313331333133313331212111133133313332332233313123233   >>      C31232233133313221211113313331333133313331212111133133313332332233313123232   >>