C2221333133313331311233132313331333133313331311233132322232131211   >>    C222133313331333131123313231333133313331333131123313232223213121   <<    C2221333133313331311233132313331333133313331311233132322232131213   >>      C2221333133313331311233132313331333133313331311233132322232131212   >>