IndexError

Level 1 of the Dungeon
(0, 3, D:1)
  a +0 robe
(1, 3, D:1)
  a +0 dagger
(2, 14, D:1)
  a stone
(2, 15, D:1)
  4 stones
(2, 16, D:1)
  12 gold pieces
(3, -23, D:1)
  a +0 club
(3, -9, D:1)
  6 stones
(3, 14, D:1)
  2 gold pieces
(3, 15, D:1)
  2 throwing nets
(3, 16, D:1)
  7 stones
(4, 14, D:1)
  a scroll of poison
(4, 15, D:1)
  a book of Lightning
(4, 16, D:1)
  a potion of attraction
(7, -7, D:1)
  a book of Debilitation
(10, 13, D:1)
  a +0 short sword
(15, 3, D:1)
  a +0 flail
(41, 16, D:1)
  3 stones
(48, -26, D:1)
  a +0 club

Level 2 of the Dungeon
(29, -1, D:2)
  a +0 dagger
(34, -9, D:2)
  a +0 dagger

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 short sword
(4, 31, D:3)
  4 stones
(19, 34, D:3)
  a +0 dagger
(20, 13, D:3)
  a +0 mace
(20, 34, D:3)
  a +0 club
  a +0 chain mail
(21, 34, D:3)
  a +0 hand axe
(25, -1, D:3)
  a ring of poison resistance {rPois, !d}
(25, 23, D:3)
  a +0 trident
(29, 19, D:3)
  a +0 falchion
  a +0 leather armour
(29, 39, D:3)
  a +0 hand axe
  a +0 orcbow
(36, 11, D:3)
  a +0 falchion
(42, 17, D:3)
  a +0 ring mail
  a +0 hand axe

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 short sword
  a +0 leather armour
(0, 1, D:4)
  a +3 whip
  a +0 scale mail
  an orc corpse (skeletalised by now)
(0, 3, D:4)
  a +1 heavy hand axe
(8, 12, D:4)
  a quokka corpse
(9, 15, D:4)
  a +0 ring mail
(16, 10, D:4)
  a +0 club
  a +0 club
  a goblin skeleton
  a kobold skeleton
(17, 11, D:4)
  a jackal skeleton
(18, 11, D:4)
  a +0 rapier
  a +0 leather armour
(20, 10, D:4)
  a +0 flail
  an orc corpse (skeletalised by now)
(21, -13, D:4)
  a +0 club
  5 poisoned darts
(22, -14, D:4)
  a +0 dagger of venom
  a +0 trident
  a +0 mace
(27, -8, D:4)
  a +0 flail
  a gnoll corpse
(29, -5, D:4)
  a book of Air
(34, 6, D:4)
  a +3 dagger
  5 stones
(42, 4, D:4)
  a +0 mace
(46, 23, D:4)
  a +0 quarterstaff
(47, 26, D:4)
  a +0 plate armour
(48, 3, D:4)
  a +5 short sword
(48, 17, D:4)
  a +0 dagger
  4 stones
  a +0 club
(52, 9, D:4)
  a +0 spear
(52, 22, D:4)
  a +0 chain mail