??????
    --------
QGQ ) PRXQJQ
     -TLT
      ===
      JQPQ
     -JFTY
      ====
       QFGJ
      -JXLN
       ====
        JNPQ
       -JNGP
        ====
        ????

base: 11
symbols: FGJLNPQRTXY
difficulty: medium