IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 short sword
(8, 18, D:1)
  a frilled lizard skeleton
(9, 38, D:1)
  a beast talisman
(12, 18, D:1)
  a frilled lizard skeleton
(20, 16, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(21, 17, D:1)
  a rat corpse (skeletalised by now)
(22, 6, D:1)
  a hobgoblin skeleton
(23, 4, D:1)
  a +0 dagger
(25, 31, D:1)
  a +0 robe
(27, 34, D:1)
  6 poisoned darts
(36, 14, D:1)
  3 stones
(36, 53, D:1)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(43, 17, D:1)
  a rat corpse (skeletalised by now)
(43, 18, D:1)
  3 stones
(54, 41, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)

Level 2 of the Dungeon
(1, 16, D:2)
  an adder skeleton
(3, -7, D:2)
  a giant cockroach corpse
(3, 15, D:2)
  a bat skeleton
(4, 19, D:2)
  7 stones
(10, 25, D:2)
  a +0 dagger
  3 stones
  a kobold corpse
(20, 13, D:2)
  a +0 war axe
(24, 22, D:2)
  a rat corpse
(27, -14, D:2)
  a rat corpse
(28, 16, D:2)
  a +0 war axe
(30, -15, D:2)
  a +0 hand axe
(32, -8, D:2)
  a bat corpse
(42, 14, D:2)
  a +0 dagger
  a goblin corpse