C13223313311212111133133313331333133313232233133313331333211321221   >>    C1322331331121211113313331333133313331323223313331333133321132122   <<    C13223313311212111133133313331333133313232233133313331333211321223   >>      C13223313311212111133133313331333133313232233133313331333211321222   >>