Su Hui (traditional Chinese: 蘇蕙; simplified Chinese: 苏蕙; pinyin: Sū Huì, Fourth Century CE) was a Chinese poet of the Middle Sixteen Kingdoms period (304 to 439) during the Six Dynasties period. […] Su Hui has an important and unusual poem, the “Xuanji Tu”. The poem is in the form of a twenty-nine by twenty-nine character grid, and can be read forward or backwards, horizontally, vertically, or diagonally. This arrangement allows for 2,848 different readings.
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Вот эта поэма. Поистине, пассионарность китайцев нам, грешным, и не снилась. Это вам не тиару сонетов накропать за ночь.

Отдельно в заметке меня порадовал ненавязчивый детерминизм автора: «She is most famous for her extremely complex “palindrome” (huiren) poem, apparently having innovated the genre, as well as producing the most complex example to date. Apparently, all of her other thousands of literary works have been lost.»