C13332313311211113313331333133313331323132233133313331322133112323121331   >>    C1333231331121111331333133313331333132313223313331333132213311232312133   <<    C13332313311211113313331333133313331323132233133313331322133112323121333   >>      C13332313311211113313331333133313331323132233133313331322133112323121332   >>