JFJ
       +---------
HGTHEF | LLLPENGL
        -HGTHEF
         ======
         JGLNMHG
        -JFLTGMP
         =======
           TNLETL
          -HGTHEF
           ======
           GPLTPE

base: 10
letters: EFGHJLMNPT
difficulty: intermediate
restrictions: no multiplication