C132233133112121111331333133313331333132322331333133313232223323121   >>    C13223313311212111133133313331333133313232233133313331323222332312   <<    C132233133112121111331333133313331333132322331333133313232223323123   >>      C132233133112121111331333133313331333132322331333133313232223323122   >>