C3123223313331322121111331311331333133313331311313121111331123311   >>    C312322331333132212111133131133133313331333131131312111133112331   <<    C3123223313331322121111331311331333133313331311313121111331123313   >>      C3123223313331322121111331311331333133313331311313121111331123312   >>