??????
     +-------
YYLG | GJCGYL
      -YYLG
       ====
       JCEAY
      -JFAYJ
       =====
        JYFJL
       -JYGAY
        =====
        ?????

base: 9
letters: ACEFGJLQY
difficulty: medium
hints: L << Q
attributes: good demo
missing: Q