IndexError

Level 1 of the Dungeon
(0, 49, D:1)
  a +0 dagger
(9, 10, D:1)
  a +0 dagger
(10, 22, D:1)
  a +0 dagger
  a +0 dagger
(18, 39, D:1)
  a +0 ring mail
(23, 55, D:1)
  6 stones
(31, 12, D:1)
  7 stones
(35, 44, D:1)
  a +0 club
(35, 47, D:1)
  a +0 dagger
(36, 35, D:1)
  a +0 short sword
  2 stones
(38, 0, D:1)
  a +0 dagger
  a stone
(42, 54, D:1)
  a +0 whip
(53, 43, D:1)
  a +0 short sword

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 plate armour
(2, 4, D:2)
  a +0 club
  a stone
(15, 0, D:2)
  a +0 plate armour
(18, 23, D:2)
  7 stones
(35, 23, D:2)
  a +0 leather armour
(46, 20, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 spear
(1, -2, D:3)
  a ball python corpse (skeletalised by now)
(5, 9, D:3)
  a frilled lizard corpse (skeletalised by now)
(6, 10, D:3)
  a +0 club
(7, 10, D:3)
  a rat corpse (skeletalised by now)
(8, 7, D:3)
  a +0 club
  a goblin corpse (skeletalised by now)
(11, -6, D:3)
  a ball python corpse (skeletalised by now)

a sewer
(4, 7, Sewer)
  a ball python corpse (skeletalised by now)
(7, 0, Sewer)
  a ball python corpse (skeletalised by now)
(15, -5, Sewer)
  a giant cockroach corpse
(31, -7, Sewer)
  an adder corpse
(40, -2, Sewer)
  a potion of mutation
(41, -2, Sewer)
  2 potions of degeneration
(48, -6, Sewer)
  a giant cockroach corpse