A yellowed piece of paper embedded in the cement beneath the stove. The faded handwriting contained a nursery rhyme with numbers: One, two, three, hurry and hide. Four, five, six, can't be found. Seven, eight, nine, caught you now. The child's voice reciting the rhyme helped Li Heng decipher the illegible writing. The note was bagged with cement chunks for the tech unit to restore.
