C222123232321333131133133313331323133313231333133312131323231231213223221   >>    C22212323232133313113313331333132313331323133313331213132323123121322322   <<    C222123232321333131133133313331323133313231333133312131323231231213223223   >>      C222123232321333131133133313331323133313231333133312131323231231213223222   >>