C132233133112121111331333133313231333133313231311331313311212111   >>    C13223313311212111133133313331323133313331323131133131331121211   <<    C132233133112121111331333133313231333133313231311331313311212113   >>      C132233133112121111331333133313231333133313231311331313311212112   >>