We’re nearly there agent. You enter the really creepy looking graveyard. Beside a large headstone you find an envelope addressed to Arthur Swagg. A letter inside reads:

 

"You wlll find your bag of jewels here..."

 

24 25 51 32 45 // 41 53 25 51 53 25 // 21 45 11 51 13 32

 

Click on the large headstone to activate your codebeaker

to crack this code!