C159 I Had to Participate in the Competition

"Explain it to me in detail!"

The guard went on, "Zither, chess, calligraphy, painting, and mathematics – those people have laid out five challenges. Pass just one and you're awarded a hundred taels of fine silver; conquer all five, and you earn a thousand taels! The first to succeed will be hailed as the brightest mind in Dingyuan! But as it stands