C222123232321333131133133313331323133313231333133312131323331211121121   >>    C22212323232133313113313331333132313331323133313331213132333121112112   <<    C222123232321333131133133313331323133313231333133312131323331211121123   >>      C222123232321333131133133313331323133313231333133312131323331211121122   >>