C132233133112121111331333133313331323132313223313231311331311331323112121   >>    C13223313311212111133133313331333132313231322331323131133131133132311212   <<    C132233133112121111331333133313331323132313223313231311331311331323112123   >>      C132233133112121111331333133313331323132313223313231311331311331323112122   >>