C222123232321333131133133313331323133313231333133332212322232322321   >>    C22212323232133313113313331333132313331323133313333221232223232232   <<    C222123232321333131133133313331323133313231333133332212322232322323   >>      C222123232321333131133133313331323133313231333133332212322232322322   >>