Sergey

the Dungeon
(0, 0, D)
  a bolt
(1, -1, D)
  5 bolts
(2, -1, D)
  2 bolts
(3, 0, D)
  a bolt
(3, 1, D)
  3 bolts
(3, 2, D)
  a bolt
(3, 4, D)
  243 gold pieces
(4, 2, D)
  4 bolts