C132233133112121111331333133313231333133313231311331313331323122321   >>    C13223313311212111133133313331323133313331323131133131333132312232   <<    C132233133112121111331333133313231333133313231311331313331323122323   >>      C132233133112121111331333133313231333133313231311331313331323122322   >>