Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  9 gold pieces
(3, 1, D:1)
  a stone
(4, 2, D:1)
  a stone
(6, 6, D:1)
  a stone
(9, 7, D:1)
  a stone
(10, 8, D:1)
  a stone
(11, 10, D:1)
  a +0 dagger
(11, 15, D:1)
  a scroll of teleportation
(15, 10, D:1)
  9 stones
(16, 14, D:1)
  17 arrows