CCGC
      +---------
EGWNY | YWRWGWNL
       -YLYCF
        =====
         YCNNW
        -YLYCF
         =====
           WEENL
          -YLYCF
           =====
           LCPUP

base: 11
letters: CEFGLNPRUWY
difficulty: hard
hints: U << E, Y << R, L << R