Undo

Level 1 of the Dungeon
(0, 0, D:1)
  a hobgoblin corpse (skeletalised by now)
(9, 2, D:1)
  a +0 leather armour
(16, 4, D:1)
  a ball python skeleton
(23, 13, D:1)
  a +0 leather armour
(43, 24, D:1)
  a rat corpse (skeletalised by now)
(45, 23, D:1)
  a +0 leather armour
(55, 34, D:1)
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
  a goblin skeleton
(5, -10, D:2)
  2 poisoned darts
(7, -11, D:2)
  a +0 hammer
(7, -10, D:2)
  a javelin
(11, -35, D:2)
  a +0 club
  a kobold corpse (skeletalised by now)
(14, -35, D:2)
  a +0 rapier
(33, -11, D:2)
  a bat corpse (skeletalised by now)
(39, -34, D:2)
  a hobgoblin skeleton
  a rat skeleton
(47, -2, D:2)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(48, -48, D:2)
  a +0 trident
(51, 12, D:2)
  a hobgoblin corpse (skeletalised by now)