MXXLX
      +----------
WTGFF | JLTXMWXMW
       -WTGFF
        =====
        WTLLJW
       -FJWLXG
        ======
         WEXJGX
        -FJWLXG
         ======
          TLTJTM
         -TMFAAL
          ======
           FXMLAW
          -FJWLXG
           ======
             AXAG

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