C222123232321333131133133313331323132313331323132221311232322321   >>    C22212323232133313113313331333132313231333132313222131123232232   <<    C222123232321333131133133313331323132313331323132221311232322323   >>      C222123232321333131133133313331323132313331323132221311232322322   >>