C13223313311212111133133313331333133313123133313231333132212111   >>    C1322331331121211113313331333133313331312313331323133313221211   <<    C13223313311212111133133313331333133313123133313231333132212113   >>      C13223313311212111133133313331333133313123133313231333132212112   >>