C13223313311212111133133313331333133313232233133313113313221131   >>    C1322331331121211113313331333133313331323223313331311331322113   <<    C13223313311212111133133313331333133313232233133313113313221133   >>      C13223313311212111133133313331333133313232233133313113313221132   >>