C13223313311212111133133313331333133313232233133313311232313231131   >>    C1322331331121211113313331333133313331323223313331331123231323113   <<    C13223313311212111133133313331333133313232233133313311232313231133   >>      C13223313311212111133133313331333133313232233133313311232313231132   >>