When was The Tale of Genji written?
The Tale of Genji
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The names of the chapters became a central element a sort of incense based game called Genjikō, part of the larger practice of  Monkō popular among the nobility. In Genjikō, players must match the scents of a series of five incense samples without being told the names of said samples. Each possible combination was matched to a symbol, called a genji-mon, that represented a chapter from the story.[39]