CFERC
     +---------
MFMR | MEJMJCRC
      -MFMR
       ====
        JEJJC
       -JRJJR
        =====
         CMMMR
        -CECEE
         =====
          CEFEC
         - MFMR
          =====
           EMEM

base: 6
letters: CEFJMR
difficulty: easy
writeup: writeups/05