The Dream of the Red Chamber. Book I

"...The Empress Nu Wo, (the goddess of works,) in fashioning blocks of stones, for the repair of the heavens, prepared, at the Ta Huang Hills and Wu Ch'i cave, 36,501 blocks of rough stone, each twelve chang in height, and twenty-four chang square. Of these stones, the Empress Wo only used 36,500; so that one single block remained over and above, without being turned to any account. This was cast ...