C3123223313331322121111331333133313331333121211113313331331123113313121   >>    C312322331333132212111133133313331333133312121111331333133112311331312   <<    C3123223313331322121111331333133313331333121211113313331331123113313123   >>      C3123223313331322121111331333133313331333121211113313331331123113313122   >>