C132233133112121111331333133313331333132322331333133313232223213331121   >>    C13223313311212111133133313331333133313232233133313331323222321333112   <<    C132233133112121111331333133313331333132322331333133313232223213331123   >>      C132233133112121111331333133313331333132322331333133313232223213331122   >>