C13332313311211113313331333133313311211331333133313221333133313232233131331   >>    C1333231331121111331333133313331331121133133313331322133313331323223313133   <<    C13332313311211113313331333133313311211331333133313221333133313232233131333   >>      C13332313311211113313331333133313311211331333133313221333133313232233131332   >>