C13223313311212111133133313331333132313231323112113313231333132313223121   >>    C1322331331121211113313331333133313231323132311211331323133313231322312   <<    C13223313311212111133133313331333132313231323112113313231333132313223123   >>      C13223313311212111133133313331333132313231323112113313231333132313223122   >>