AFEA
     +---------
JHJF | FEAAUYTN
      -FLFUY
       =====
        FTLUY
       -LFELH
        =====
         HAJFT
        -HYEJJ
         =====
          AYALN
         -FLFUY
          =====
           ETTN

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