????????
      ----------
YQRWQ ) RRUCQYUC
       -YQRWQ
        =====
        XMURCY
       -XQXYQC
        ======
         XNWNYU
        -XQXYQC
         ======
          LURPUC
         -LWTNPQ
          ======
          ??????

base: 12
symbols: CLMNPQRTUWXY
difficulty: medium