I'M HAVING PROBLEMS TRANSLATING THE BOOK FROM THE WALL HELP!

After balancing the rocks on the scale, you go to the wall to deceifer the code, I am lost on how to do this, please help

I am also a great lover of dogs and have 4 of my own, 2 blue eyed Siberian Huskies, 11 yrs old, brother and sister and 2 beautiful shih tzus, 1 is 111/2 yrs old and a 61/2 yrs the lattter ,being rescued at 8 wks old, fought several health issues as a tiny pup and is now an energetic and happy girl. My husband and i both worked for the SPCA at one time and rescued many Siberian Huskies (and also other breeds) and gave them a good life . Many of them became wonderful sled dogs and have given us memories that we will cherish all our days.I have been a dog groomer for the last 17 years and totally love my job and understand the committment and patience a pet requires for a long and happy life. Hope you all enjoy your pets as much as we do!

HI' I'm stuck ion Chapter 10, the birthday party. Saw the hint but still can't get it HELP PLEASE