C3123223313331322121111331333133313331311331133133313331333131221312111   >>    C312322331333132212111133133313331333131133113313331333133313122131211   <<    C3123223313331322121111331333133313331311331133133313331333131221312113   >>      C3123223313331322121111331333133313331311331133133313331333131221312112   >>