C13223313311212111133133313331333132333133313331323221131212231   >>    C1322331331121211113313331333133313233313331333132322113121223   <<    C13223313311212111133133313331333132333133313331323221131212233   >>      C13223313311212111133133313331333132333133313331323221131212232   >>