C3123223313331322121111331333133313331333121211113313221333232233121   >>    C312322331333132212111133133313331333133312121111331322133323223312   <<    C3123223313331322121111331333133313331333121211113313221333232233123   >>      C3123223313331322121111331333133313331333121211113313221333232233122   >>