C222123232321333131133133313331323133313231322132313121212231323211   >>    C22212323232133313113313331333132313331323132213231312121223132321   <<    C222123232321333131133133313331323133313231322132313121212231323213   >>      C222123232321333131133133313331323133313231322132313121212231323212   >>