C13332313311211113313331333133313331323132233132313331321123232213121   >>    C1333231331121111331333133313331333132313223313231333132112323221312   <<    C13332313311211113313331333133313331323132233132313331321123232213123   >>      C13332313311211113313331333133313331323132233132313331321123232213122   >>