IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a scarab talisman
(1, 13, D:1)
  a +0 scale mail
(2, -3, D:1)
  4 stones
(2, -1, D:1)
  a hobgoblin corpse (skeletalised by now)
(2, 0, D:1)
  a +0 hand axe
(6, 0, D:1)
  a bat corpse (skeletalised by now)
(9, 9, D:1)
  a bat corpse (skeletalised by now)
(10, 11, D:1)
  a ball python corpse (skeletalised by now)
(23, -5, D:1)
  a bat skeleton
(24, 0, D:1)
  a +0 short sword
  a kobold skeleton
(27, 1, D:1)
  a jackal skeleton
(28, 1, D:1)
  a jackal skeleton
(29, -5, D:1)
  a +0 scale mail
(31, -7, D:1)
  a +0 dagger
(35, -3, D:1)
  a +0 club
(37, 0, D:1)
  a frilled lizard skeleton
(39, 2, D:1)
  7 stones
(39, 10, D:1)
  a +0 dagger
  3 stones
(47, 20, D:1)
  a +0 ring mail
(49, -2, D:1)
  a rat skeleton
(51, -3, D:1)
  4 stones
(55, -1, D:1)
  a +0 dagger of holy wrath
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  a +1 robe of willpower
(4, -30, D:2)
  a +0 whip
(6, -30, D:2)
  a +0 whip
(24, -29, D:2)
  a +0 dagger
(26, -20, D:2)
  a +0 spear
  a gnoll corpse
(40, -13, D:2)
  a +0 dagger
(41, -33, D:2)
  a quokka corpse (skeletalised by now)
(46, -19, D:2)
  a +0 leather armour