C13223313311212111133133313331312111111331311331323132313223313231221   >>    C1322331331121211113313331333131211111133131133132313231322331323122   <<    C13223313311212111133133313331312111111331311331323132313223313231223   >>      C13223313311212111133133313331312111111331311331323132313223313231222   >>