??????
    --------
FLL ) WNCFFH
     -LCC
      ===
      YGMF
     -YWHC
      ====
       FYWF
      -YJPL
       ====
        YHHH
       -YGXM
        ====
        ????

base: 12
symbols: CFGHJLMNPWXY
difficulty: medium