C3123223313331322121111331333133313331311331133133313332321333131121211   >>    C312322331333132212111133133313331333131133113313331333232133313112121   <<    C3123223313331322121111331333133313331311331133133313332321333131121213   >>      C3123223313331322121111331333133313331311331133133313332321333131121212   >>