C13223313311212111133133313331333133313232233133313331323221211113333313121   >>    C1322331331121211113313331333133313331323223313331333132322121111333331312   <<    C13223313311212111133133313331333133313232233133313331323221211113333313123   >>      C13223313311212111133133313331333133313232233133313331323221211113333313122   >>