CUHH
      +----------
HJNTN | WTNWJJJTQ
       -WCWHHJ
        ======
         UJHWJJ
        - HJNTN
         ======
          WNCJNT
         -WUWJHN
          ======
           WQTTWQ
          -WUWJHN
           ======
            UNCHC

base: 8
letters: CHJNQTUW
difficulty: easy
restrictions: no multiplication