C13223313311212111133133313331333132322132313221333132313232331   >>    C1322331331121211113313331333133313232213231322133313231323233   <<    C13223313311212111133133313331333132322132313221333132313232333   >>      C13223313311212111133133313331333132322132313221333132313232332   >>