whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a frilled lizard corpse (skeletalised by now)
(13, -8, D:1)
  a bat corpse (skeletalised by now)
(13, -5, D:1)
  a frilled lizard corpse (skeletalised by now)
(20, -12, D:1)
  a hobgoblin corpse (skeletalised by now)
(23, -10, D:1)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(25, -6, D:1)
  6 stones
(25, 13, D:1)
  a frilled lizard skeleton
(26, 14, D:1)
  a bat skeleton
(33, -16, D:1)
  a frilled lizard skeleton
(44, 2, D:1)
  a +0 hand axe
(50, -15, D:1)
  a +0 whip
(54, -19, D:1)
  a +0 dagger
(63, -12, D:1)
  a staff of earth
(64, -6, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 whip
(1, -7, D:2)
  an adder corpse (skeletalised by now)
(11, -2, D:2)
  a +0 dagger (still there?)
  a +1 robe of resistance (still there?)
(11, -1, D:2)
  a +0 short sword
(17, 6, D:2)
  a +0 dagger
  a +0 sling
  a goblin skeleton
(17, 24, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(18, 11, D:2)
  a +0 hand axe
(22, -10, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(26, -22, D:2)
  5 stones

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 robe
(3, 7, D:3)
  a bat corpse
(13, 24, D:3)
  3 stones
(38, 10, D:3)
  a potion of heal wounds
(45, 0, D:3)
  13 gold pieces

Level 4 of the Dungeon
(0, 0, D:4)
  3 large rocks
(3, -1, D:4)
  a scroll of blinking