YMYM
     ---------
YTUH ) QEUHQTU
      -EQTH
       ====
       NTNHQ
      -NQXWH
       =====
         QMQT
        -EQTH
         ====
         NTUTU
        -NQXWH
         =====
          NMWU

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