C13223313311212111133133313331333133313232233133313123313112111   >>    C1322331331121211113313331333133313331323223313331312331311211   <<    C13223313311212111133133313331333133313232233133313123313112113   >>      C13223313311212111133133313331333133313232233133313123313112112   >>