C132233133112121111331333133313331312121111133313331312111133132233313121   >>    C13223313311212111133133313331333131212111113331333131211113313223331312   <<    C132233133112121111331333133313331312121111133313331312111133132233313123   >>      C132233133112121111331333133313331312121111133313331312111133132233313122   >>