C222123232321333131133133313331323133313231333131331131331221312121   >>    C22212323232133313113313331333132313331323133313133113133122131212   <<    C222123232321333131133133313331323133313231333131331131331221312123   >>      C222123232321333131133133313331323133313231333131331131331221312122   >>