C13223313311212111133133313331333132313231323332233132313113311211   >>    C1322331331121211113313331333133313231323132333223313231311331121   <<    C13223313311212111133133313331333132313231323332233132313113311213   >>      C13223313311212111133133313331333132313231323332233132313113311212   >>