???????
     +--------
GJPX | HHJJJPX
      -WPHP
       ====
       LPMMJ
      -LMMGJ
       =====
        GNJNP
       -LXNLG
        =====
         LGXMX
        -LNHWM
         =====
         ?????

base: 9
letters: GHJLMNPWX
difficulty: medium