C13223313311212111133133313331333133313121323132313231323221323121   >>    C1322331331121211113313331333133313331312132313231323132322132312   <<    C13223313311212111133133313331333133313121323132313231323221323123   >>      C13223313311212111133133313331333133313121323132313231323221323122   >>