C13223313311212111133133313331323133313233211323133313123232311   >>    C1322331331121211113313331333132313331323321132313331312323231   <<    C13223313311212111133133313331323133313233211323133313123232313   >>      C13223313311212111133133313331323133313233211323133313123232312   >>