QRQQ
      ----------
GJTTG ) JTRGQNQL
       -QCTTQ
        =====
        GQRGTN
       -GQHTTR
        ======
          UTRCQ
         -QCTTQ
          =====
           QRCTL
          -QCTTQ
           =====
            GCTU

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