IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 short sword
  4 stones
(2, 6, D:1)
  a +0 dagger
  5 stones
(11, 9, D:1)
  a +0 whip
  2 stones
(18, 0, D:1)
  a rat skeleton
(23, -6, D:1)
  a +0 dagger
(24, 7, D:1)
  a +0 club
  a kobold skeleton
(27, -3, D:1)
  a bat corpse (skeletalised by now)
(30, -6, D:1)
  8 stones
(37, -30, D:1)
  a hobgoblin skeleton
(37, -24, D:1)
  a +0 ring mail
(39, -17, D:1)
  a bat skeleton
(44, -36, D:1)
  a +0 club
  a goblin skeleton
(44, -8, D:1)
  a +0 short sword

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 war axe
(3, -8, D:2)
  a +0 hand axe
(17, -5, D:2)
  a +0 short sword
(18, -12, D:2)
  a +0 mace
(19, 17, D:2)
  a hobgoblin skeleton
(19, 18, D:2)
  a rat skeleton
(20, -24, D:2)
  a bat skeleton
(21, 17, D:2)
  a +0 hand axe
(23, 3, D:2)
  a +0 whip
(27, -3, D:2)
  a ball python corpse (skeletalised by now)
(27, -1, D:2)
  an adder corpse (skeletalised by now)
(31, 5, D:2)
  a quokka skeleton
(34, 18, D:2)
  a +0 ring mail
(36, -6, D:2)
  5 stones
(43, -15, D:2)
  a bat skeleton
(45, -9, D:2)
  a rat skeleton
(45, 1, D:2)
  a frilled lizard skeleton
(48, 14, D:2)
  7 stones