C13223313311212111133133313331333132313231323332233132313231313231221   >>    C1322331331121211113313331333133313231323132333223313231323131323122   <<    C13223313311212111133133313331333132313231323332233132313231313231223   >>      C13223313311212111133133313331333132313231323332233132313231313231222   >>