IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a frilled lizard corpse (skeletalised by now)
(11, 4, D:1)
  a ring of magical power
(12, -20, D:1)
  a quill talisman
(13, -15, D:1)
  a +0 dagger
(15, -24, D:1)
  2 stones
(16, 4, D:1)
  a ball python corpse (skeletalised by now)
(18, -27, D:1)
  a ball python skeleton
(18, -24, D:1)
  a +0 whip
(18, -19, D:1)
  a +0 kite shield
(19, 2, D:1)
  a +0 short sword
(22, -23, D:1)
  a +0 leather armour
(31, -1, D:1)
  a +0 plate armour
(33, -11, D:1)
  a +0 club

Level 2 of the Dungeon
(1, -31, D:2)
  a bat corpse (skeletalised by now)
(5, 20, D:2)
  a jackal corpse (skeletalised by now)
(7, 21, D:2)
  a jackal corpse (skeletalised by now)
(10, 0, D:2)
  a +0 robe
(34, 20, D:2)
  a quokka skeleton
(45, -24, D:2)
  a +0 short sword
(50, -4, D:2)
  a +0 dagger

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 club
(7, -4, D:3)
  a +0 scale mail
(8, -12, D:3)
  a hobgoblin corpse
(10, 17, D:3)
  a +0 club
  a goblin corpse
(11, 9, D:3)
  a quokka corpse
(11, 11, D:3)
  a ball python corpse
(18, -2, D:3)
  11 gold pieces
(23, -17, D:3)
  a scroll of identify
(23, 20, D:3)
  a +0 club
  a goblin corpse
(27, -17, D:3)
  a +0 club
  2 stones
  a kobold corpse (skeletalised by now)
(27, -7, D:3)
  8 gold pieces
(28, 24, D:3)
  a +0 dagger