C13223313311212111133133313331333133313232233133313331323113211331   >>    C1322331331121211113313331333133313331323223313331333132311321133   <<    C13223313311212111133133313331333133313232233133313331323113211333   >>      C13223313311212111133133313331333133313232233133313331323113211332   >>