C3123223313331322121111331333133313331333121211111211111121132113121   >>    C312322331333132212111133133313331333133312121111121111112113211312   <<    C3123223313331322121111331333133313331333121211111211111121132113123   >>      C3123223313331322121111331333133313331333121211111211111121132113122   >>