C132233133112121111331333133313231333133313231311331313331323221121   >>    C13223313311212111133133313331323133313331323131133131333132322112   <<    C132233133112121111331333133313231333133313231311331313331323221123   >>      C132233133112121111331333133313231333133313231311331313331323221122   >>