C132233133112121111331333133313331333131232233132313331333131111211123231   >>    C13223313311212111133133313331333133313123223313231333133313111121112323   <<    C132233133112121111331333133313331333131232233132313331333131111211123233   >>      C132233133112121111331333133313331333131232233132313331333131111211123232   >>