IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
  a stone
(6, -15, D:1)
  a +0 robe
(9, -16, D:1)
  a +0 dagger
(12, -6, D:1)
  a +0 hand axe
(12, 24, D:1)
  4 stones
(13, -18, D:1)
  a +0 chain mail
(14, -6, D:1)
  a +0 dagger
(14, 32, D:1)
  6 stones
(22, -19, D:1)
  a +0 hand axe
(25, -13, D:1)
  a +0 leather armour
(29, -7, D:1)
  4 stones
  a +0 short sword
(31, 11, D:1)
  a +0 dagger
(31, 23, D:1)
  a +0 club
(33, -16, D:1)
  a +0 short sword
  2 stones
(39, -7, D:1)
  a +0 club
(39, 16, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 whip
(8, 4, D:2)
  3 stones
(10, -2, D:2)
  a frilled lizard corpse (skeletalised by now)
(10, 5, D:2)
  a +0 falchion
(11, -5, D:2)
  a hobgoblin corpse (skeletalised by now)
(11, -4, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(11, -3, D:2)
  a rat corpse (skeletalised by now)
(13, 0, D:2)
  7 stones
(22, -12, D:2)
  a bat corpse (skeletalised by now)
(30, -12, D:2)
  a +0 club
  a kobold skeleton
(30, -5, D:2)
  3 poisoned darts
(32, -19, D:2)
  a bat skeleton
(33, 14, D:2)
  a +0 dagger
(34, 22, D:2)
  a quokka corpse
(35, 5, D:2)
  a rat corpse (skeletalised by now)
(41, -6, D:2)
  5 stones
  a +0 dagger
(45, -6, D:2)
  a +0 club
  a goblin skeleton
(46, -7, D:2)
  an adder skeleton
(47, 15, D:2)
  a frilled lizard corpse