20Natural

Level 1 of the Dungeon
(0, 0, D:1)
  a potion of invisibility
(4, 18, D:1)
  a +0 club
(16, 21, D:1)
  a +0 dagger
(18, 24, D:1)
  a +0 dagger
(23, -8, D:1)
  a +0 whip
(24, 3, D:1)
  a +0 dagger
(24, 20, D:1)
  a +0 dagger

Level 2 of the Dungeon
(2, 26, D:2)
  a +0 leather armour
(10, 24, D:2)
  a +0 spear
(11, 26, D:2)
  a +0 spear
(11, 28, D:2)
  a +0 whip
(17, -4, D:2)
  a +0 short sword
(17, -3, D:2)
  a +0 whip
  2 stones
(18, -10, D:2)
  a +0 buckler
(21, 22, D:2)
  6 poisoned darts
(23, 5, D:2)
  a +2 pair of gloves
(24, 2, D:2)
  6 poisoned darts
(26, -8, D:2)
  a +0 short sword
(36, 31, D:2)
  a +0 club
  5 stones
(37, 7, D:2)
  a +0 sling
(44, 9, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 chain mail
(12, -18, D:3)
  5 stones
(21, -33, D:3)
  a +0 long sword
(34, -33, D:3)
  a frilled lizard corpse (skeletalised by now)
(34, -26, D:3)
  a +0 ring mail
(36, -35, D:3)
  a quokka corpse (skeletalised by now)

Level 4 of the Dungeon
(0, 0, D:4)
  an adder corpse