C2221333133313331311233132313331333133313331322133313331312133313221211   >>    C222133313331333131123313231333133313331333132213331333131213331322121   <<    C2221333133313331311233132313331333133313331322133313331312133313221213   >>      C2221333133313331311233132313331333133313331322133313331312133313221212   >>