Undo

Level 1 of the Dungeon
(0, 0, D:1)
  a jackal corpse (skeletalised by now)
(2, -2, D:1)
  a +0 leather armour
(6, 1, D:1)
  a jackal corpse (skeletalised by now)
(7, -2, D:1)
  a +0 whip
  a kobold corpse (skeletalised by now)
(7, 1, D:1)
  a jackal corpse (skeletalised by now)
(8, 9, D:1)
  a bat corpse (skeletalised by now)
(11, 18, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(11, 22, D:1)
  a +0 club
(13, -12, D:1)
  a frilled lizard corpse (skeletalised by now)
(23, -29, D:1)
  a +0 scale mail
(23, -19, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(25, -15, D:1)
  a +0 short sword
(26, -3, D:1)
  a +0 ring mail
(33, 10, D:1)
  a rat skeleton
(34, 23, D:1)
  a quokka corpse (skeletalised by now)
(45, 8, D:1)
  a +0 robe
(45, 21, D:1)
  a quokka corpse (skeletalised by now)
(45, 25, D:1)
  a +0 hand axe
(47, -33, D:1)
  a frilled lizard corpse (skeletalised by now)
(51, -13, D:1)
  a +0 club
  a kobold skeleton
(53, 21, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a quokka corpse (skeletalised by now)
(8, 2, D:2)
  a +0 club
(9, 11, D:2)
  an adder corpse (skeletalised by now)
(16, -16, D:2)
  a +0 trident
(17, 9, D:2)
  a +0 dagger
(23, -3, D:2)
  a +0 club
  a kobold skeleton
(23, 8, D:2)
  a +0 halberd
(24, 8, D:2)
  a +0 dagger
  a kobold skeleton
(27, -2, D:2)
  a +0 leather armour
(28, -11, D:2)
  a +0 dagger
(28, 3, D:2)
  a +0 dagger
(29, -9, D:2)
  a +0 club
(29, 9, D:2)
  a hobgoblin skeleton
(30, 7, D:2)
  a +0 dagger
(30, 12, D:2)
  a ball python skeleton
(30, 23, D:2)
  a frilled lizard skeleton
(32, 28, D:2)
  a +0 scale mail
(39, 22, D:2)
  a +0 mace
(41, 11, D:2)
  a +0 dagger
(49, 9, D:2)
  a +0 whip
  2 stones
(60, 11, D:2)
  a quokka corpse (skeletalised by now)

Level 3 of the Dungeon
(5, -4, D:3)
  a +0 whip
  a stone
(6, -5, D:3)
  an adder corpse (skeletalised by now)
(6, -3, D:3)
  a +0 club
  a goblin corpse (skeletalised by now)
(8, -1, D:3)
  a rat corpse (skeletalised by now)
(10, 0, D:3)
  14 gold pieces
(14, -4, D:3)
  a +0 cloak
(17, -4, D:3)
  3 gold pieces
(17, 23, D:3)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(22, -4, D:3)
  a potion of mutation
(26, -6, D:3)
  a +0 club
  a gnoll corpse
(26, -1, D:3)
  a +0 rapier
(27, -6, D:3)
  a +0 halberd
(27, 10, D:3)
  a +0 chain mail
(33, 22, D:3)
  a +0 flail
  a +0 chain mail
(38, 4, D:3)
  a +0 robe
  a +0 dagger
  an orc skeleton
(40, 5, D:3)
  a +0 club
(40, 7, D:3)
  a +0 dagger
  an orc corpse (skeletalised by now)
(43, -1, D:3)
  a ribbon worm corpse
(44, 16, D:3)
  a stone
  a +0 dagger
  a kobold skeleton
(44, 21, D:3)
  a +0 pair of gloves
(45, -5, D:3)
  a +0 ring mail

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(9, -4, D:4)
  a +0 barding

Level 5 of the Dungeon
(22, -4, D:5)
  a scroll of teleportation