C13223313311212111133133313331333132313231322331323132313233313331333131211231   >>    C1322331331121211113313331333133313231323132233132313231323331333133313121123   <<    C13223313311212111133133313331333132313231322331323132313233313331333131211233   >>      C13223313311212111133133313331333132313231322331323132313233313331333131211232   >>