C3123223313331322121111331311331333133313331311313121111331311212331   >>    C312322331333132212111133131133133313331333131131312111133131121233   <<    C3123223313331322121111331311331333133313331311313121111331311212333   >>      C3123223313331322121111331311331333133313331311313121111331311212332   >>