????????
       +---------
RHPRNH | NWPRTMHQ
        -YXPYYX
         ======
         ELQYMEH
        -ELXEMLX
         =======
           YXQNXQ
          -YXPYYX
           ======
           ???T?Y

base: 12
letters: EHLMNPQRTWXY
difficulty: hard