C222123232321333131133133313331323133313231333133312131323231232213231321   >>    C22212323232133313113313331333132313331323133313331213132323123221323132   <<    C222123232321333131133133313331323133313231333133312131323231232213231323   >>      C222123232321333131133133313331323133313231333133312131323231232213231322   >>