C222123232321333131133133313331323133313231333131331131331213232112111   >>    C22212323232133313113313331333132313331323133313133113133121323211211   <<    C222123232321333131133133313331323133313231333131331131331213232112113   >>      C222123232321333131133133313331323133313231333131331131331213232112112   >>