C222123232321333131133133313331323133313231333133312131323232121223221   >>    C22212323232133313113313331333132313331323133313331213132323212122322   <<    C222123232321333131133133313331323133313231333133312131323232121223223   >>      C222123232321333131133133313331323133313231333133312131323232121223222   >>