C3123223313331322121111331333133313331311331133133313331333133112111112221   >>    C312322331333132212111133133313331333131133113313331333133313311211111222   <<    C3123223313331322121111331333133313331311331133133313331333133112111112223   >>      C3123223313331322121111331333133313331311331133133313331333133112111112222   >>