Chinese poet Su Hui composed an 841-character array in the fourth century that can be read forward, backward, horizontally, diagonally, and vertically. The poem, entitled “Xuanji Tu,” can be read in 2,848 different ways as a result.
Chinese poet Su Hui composed an 841-character array in the fourth century that can be read forward, backward, horizontally, diagonally, and vertically. The poem, entitled “Xuanji Tu,” can be read in 2,848 different ways as a result.