Undo

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(2, 8, D:1)
  a ball python corpse (skeletalised by now)
(5, -30, D:1)
  a rat skeleton
(8, 11, D:1)
  a bat corpse (skeletalised by now)
(10, -23, D:1)
  a +0 short sword
  4 stones
  a kobold skeleton
(20, -24, D:1)
  a rat skeleton
(21, 15, D:1)
  a +0 club
(26, -24, D:1)
  a rat skeleton
(30, -20, D:1)
  a rat skeleton
(34, -19, D:1)
  a +0 dagger
(38, -15, D:1)
  a +0 chain mail
(41, 5, D:1)
  a maw talisman
(42, -12, D:1)
  a +0 club
(46, -5, D:1)
  a frilled lizard corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a jackal corpse
(4, -3, D:2)
  a poisoned dart