C222123232321333131133133313331323133313231333133332212322122313221   >>    C22212323232133313113313331333132313331323133313333221232212231322   <<    C222123232321333131133133313331323133313231333133332212322122313223   >>      C222123232321333131133133313331323133313231333133332212322122313222   >>