C222123232321333131133133313331323132313331323132221311232131211   >>    C22212323232133313113313331333132313231333132313222131123213121   <<    C222123232321333131133133313331323132313331323132221311232131213   >>      C222123232321333131133133313331323132313331323132221311232131212   >>