IndexError

Level 1 of the Dungeon
(7, 20, D:1)
  a +0 leather armour
(10, 14, D:1)
  a +4 dagger of venom
(10, 16, D:1)
  a +0 chain mail
(20, -7, D:1)
  5 stones
(20, -5, D:1)
  a +0 leather armour
(25, 3, D:1)
  5 stones
(40, -1, D:1)
  a stone
(43, 7, D:1)
  a +0 ring mail
(46, 15, D:1)
  7 stones
(47, -20, D:1)
  5 stones
(49, 11, D:1)
  a +0 animal skin
(50, 6, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(52, -14, D:1)
  2 stones

Level 2 of the Dungeon
(0, 0, D:2)
  a goblin corpse
(3, 41, D:2)
  a +0 ring mail
(7, 34, D:2)
  a rat corpse (skeletalised by now)
(11, -15, D:2)
  a +0 scale mail
(15, 18, D:2)
  a ball python corpse
(25, 35, D:2)
  a hobgoblin corpse
(26, -4, D:2)
  a +0 flail
  a +0 spear
(27, -6, D:2)
  a +2 pair of gloves
(27, 34, D:2)
  a giant cockroach corpse
(28, 41, D:2)
  a +0 ring mail