NTTN
      ----------
PMYNY ) TUNUNMQP
       -HRLLP
        =====
        PMPTMM
       -PUHUNR
        ======
         PLNRQQ
        -PUHUNR
         ======
           RNGRP
          -HRLLP
           =====
            QQMG

base: 11
symbols: GHLMNPQRTUY
difficulty: intermediate
restrictions: no multiplication