C2221333133313331311233132313331333133313331322231333133313331123313131211   >>    C222133313331333131123313231333133313331333132223133313331333112331313121   <<    C2221333133313331311233132313331333133313331322231333133313331123313131213   >>      C2221333133313331311233132313331333133313331322231333133313331123313131212   >>