C22212323232133313113313331333132313231333131211211323323213231322121   >>    C2221232323213331311331333133313231323133313121121132332321323132212   <<    C22212323232133313113313331333132313231333131211211323323213231322123   >>      C22212323232133313113313331333132313231333131211211323323213231322122   >>