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BokmålSumiyo HIRAYAMA
Japan| Competition | City | Date | Roles | |
|---|---|---|---|---|
| 1 | Kinki Regional Championships 2014 | Osaka | 2014-10-10 | Judge (Senior ladies, Senior men, Junior men, Basic novice B girls) |
| 2 | Kinki Regional Championships 2011 | Osaka | 2011-10-08 | Judge (Senior men, Senior ladies, Junior men, Advanced novice girls) |
| 3 | Japan Junior Championships 2009 | Yokohama | 2009-11-21 | Judge (Junior men) |
| 4 | Japan Junior Championships 2008 | Nagoya | 2008-11-23 | Judge (Junior ladies) |