C13223313311212111133133313331323133313331323113313231333132313212311   >>    C1322331331121211113313331333132313331333132311331323133313231321231   <<    C13223313311212111133133313331323133313331323113313231333132313212313   >>      C13223313311212111133133313331323133313331323113313231333132313212312   >>