C13223313311212111133133313331333133313232233133313332313331323113313332211331   >>    C1322331331121211113313331333133313331323223313331333231333132311331333221133   <<    C13223313311212111133133313331333133313232233133313332313331323113313332211333   >>      C13223313311212111133133313331333133313232233133313332313331323113313332211332   >>