C222123232321333131133133313331323133313231322132313121222213232311   >>    C22212323232133313113313331333132313331323132213231312122221323231   <<    C222123232321333131133133313331323133313231322132313121222213232313   >>      C222123232321333131133133313331323133313231322132313121222213232312   >>