C222123232321333131133133313331323133313231333131331131331322211211   >>    C22212323232133313113313331333132313331323133313133113133132221121   <<    C222123232321333131133133313331323133313231333131331131331322211213   >>      C222123232321333131133133313331323133313231333131331131331322211212   >>