behind

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 chain mail
  a quokka skeleton
(0, 5, D:1)
  a +0 whip
(7, 9, D:1)
  a +0 club
  5 stones
  a kobold corpse (skeletalised by now)
(9, 1, D:1)
  a ball python corpse (skeletalised by now)
(14, 6, D:1)
  a +0 hand axe
(14, 16, D:1)
  a +0 dagger
  a goblin skeleton
(16, -21, D:1)
  a rat corpse (skeletalised by now)
(16, -18, D:1)
  a rat corpse (skeletalised by now)
(17, -6, D:1)
  a hobgoblin corpse (skeletalised by now)
(18, -20, D:1)
  a rat corpse (skeletalised by now)
(18, -17, D:1)
  a rat skeleton
(20, -20, D:1)
  a rat corpse (skeletalised by now)
(20, -18, D:1)
  a rat corpse (skeletalised by now)
(32, -12, D:1)
  a jackal skeleton
(32, 2, D:1)
  a quokka skeleton
(32, 3, D:1)
  a +0 flail
(37, 0, D:1)
  a +0 robe
(49, -12, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(49, -6, D:1)
  a +0 sling

Level 2 of the Dungeon
(0, 0, D:2)
  a bat corpse (skeletalised by now)
(8, 10, D:2)
  a jackal skeleton
(11, 16, D:2)
  a +0 sling
  a +0 dagger
  a jackal skeleton
(14, 0, D:2)
  a +0 club
(38, 1, D:2)
  a +0 chain mail
(39, 28, D:2)
  a +0 chain mail
(45, -10, D:2)
  a +0 robe
(45, 34, D:2)
  6 large rocks
(47, -2, D:2)
  a bat corpse (skeletalised by now)
(50, 1, D:2)
  a +0 mace

Level 3 of the Dungeon
(0, 0, D:3)
  a rat corpse (skeletalised by now)
(5, -3, D:3)
  a +0 robe
(7, -5, D:3)
  a +0 dagger
(10, -1, D:3)
  a +0 buckler
(21, 9, D:3)
  a +0 buckler
(22, -2, D:3)
  a frilled lizard corpse
(22, 2, D:3)
  a +0 short sword
(22, 6, D:3)
  a clockroach corpse
(22, 11, D:3)
  a +0 spear
(26, 3, D:3)
  an adder corpse
(30, 4, D:3)
  a +0 club
(30, 11, D:3)
  a parchment of Gloom