YHEXG
     ----------
WQWX ) EMMUJJYW
      -XQXU
       ====
       WXEMJ
      -WYEUE
       =====
         HGWJ
        -HMGX
         ====
          JYYY
         -EMQE
          ====
          WUJJW
         -WUWWU
          =====
            EQH

base: 10
symbols: EGHJMQUWXY
difficulty: intermediate
restrictions: no multiplication