Luoshu Square
| Luoshu Square | |||||||||
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The traditional Luoshu diagram | |||||||||
The equivalent magic square | |||||||||
| Luoshu | |||||||||
| Traditional Chinese | 洛書 雒書 | ||||||||
| Simplified Chinese | 洛书 | ||||||||
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| Nine Halls Diagram | |||||||||
| Traditional Chinese | 九宮圖 | ||||||||
| Simplified Chinese | 九宫图 | ||||||||
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| Vietnamese name | |||||||||
| Vietnamese | Lạc Thư | ||||||||
| Korean name | |||||||||
| Hangul | 낙서 | ||||||||
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| Japanese name | |||||||||
| Kanji | 洛書 | ||||||||
| Hiragana | らくしょ | ||||||||
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The Luoshu (pinyin), Lo Shu (Wade-Giles), or Nine Halls Diagram is an ancient Chinese diagram and named for the Luo River near Luoyang, Henan. The Luoshu appears in myths concerning the invention of writing by Cangjie and other culture heroes. It is a unique normal magic square of order three. It is usually paired with the River Map or Hetu—named in reference to the Yellow River—and used with the River Map in various contexts involving Chinese geomancy, numerology, philosophy, and early natural science.