IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(3, 5, D:1)
  a +0 sling
(19, -29, D:1)
  a +0 ring mail
(20, 8, D:1)
  a +0 dagger
(23, -13, D:1)
  6 stones
(25, -18, D:1)
  a +0 leather armour
(27, -2, D:1)
  a book of Air
(29, -37, D:1)
  a +0 whip
(36, 2, D:1)
  a +0 sling
(42, -35, D:1)
  a +0 short sword
(43, -31, D:1)
  a +0 dagger

Level 2 of the Dungeon
(1, 9, D:2)
  a +0 robe
  a +0 club
  the human corpse of Jessica (skeletalised by now)
(1, 34, D:2)
  a +0 robe
(3, 1, D:2)
  a +0 club
(5, 24, D:2)
  5 boomerangs
(7, 42, D:2)
  a +1 heavy hammer
(8, 29, D:2)
  5 stones
(8, 30, D:2)
  an adder skeleton
(8, 42, D:2)
  a +0 hammer
(11, 9, D:2)
  a stone
(11, 35, D:2)
  a +0 dagger
  a goblin corpse
(11, 42, D:2)
  a +0 hammer
(12, 40, D:2)
  a +3 hammer
  (unseen)
(12, 41, D:2)
  a +2 hammer of draining
  (unseen)
(13, 40, D:2)
  a +0 hammer
(15, 2, D:2)
  a +0 short sword
  3 stones
(16, 7, D:2)
  a +0 dagger
(17, 17, D:2)
  a +0 ring mail
(18, -4, D:2)
  an amulet of magic regeneration
(18, 3, D:2)
  7 stones
(18, 27, D:2)
  a +0 club
  a +0 sling
(26, 32, D:2)
  a +0 ring mail
(27, 36, D:2)
  a +0 dagger of speed
  2 stones
(35, 18, D:2)
  a +0 short sword
(36, 4, D:2)
  a +0 long sword
(36, 13, D:2)
  a +0 short sword
  5 stones
(39, 34, D:2)
  a +0 ring mail
(40, 24, D:2)
  a +0 buckler