C222123232321333131133133313331323133313231333133312131323231322313231211   >>    C22212323232133313113313331333132313331323133313331213132323132231323121   <<    C222123232321333131133133313331323133313231333133312131323231322313231213   >>      C222123232321333131133133313331323133313231333133312131323231322313231212   >>