Think

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 spear
(1, -19, D:1)
  a +0 short sword
  3 stones
(11, 7, D:1)
  a +0 cloak
(12, 10, D:1)
  a +0 hand axe
(17, 11, D:1)
  a +0 club
(25, 26, D:1)
  a +0 trident
(34, -5, D:1)
  a +0 short sword
(41, -22, D:1)
  a +0 whip
  a stone
(49, -10, D:1)
  a +0 dagger
(66, -12, D:1)
  a +0 short sword

Level 2 of the Dungeon
(2, -23, D:2)
  a +0 long sword
(4, -26, D:2)
  a +0 mace
(10, -16, D:2)
  2 stones
  a +0 dagger
(12, 4, D:2)
  a +0 leather armour
(37, -27, D:2)
  3 stones
(38, 17, D:2)
  a +0 robe
(42, 0, D:2)
  a +0 short sword
(46, -14, D:2)
  a +0 hand axe
(49, 19, D:2)
  a +0 club
(54, -14, D:2)
  a +1 dagger of holy wrath

Level 3 of the Dungeon
(4, 3, D:3)
  a +0 short sword
(5, 3, D:3)
  a +0 club
(16, -17, D:3)
  a frilled lizard corpse (skeletalised by now)
(19, -8, D:3)
  8 stones
(19, -4, D:3)
  a +0 club
(29, 26, D:3)
  a +0 trident
  a +0 leather armour
(36, 9, D:3)
  a +0 dagger
(39, 5, D:3)
  a +0 short sword
(40, -4, D:3)
  a +0 helmet
(45, 10, D:3)
  a +1 plate armour of poison resistance
(48, -2, D:3)
  a +0 robe
(49, 1, D:3)
  a +0 dagger
(54, -12, D:3)
  a +2 hand axe of draining

Level 4 of the Dungeon
(0, 0, D:4)
  a bombardier beetle corpse
(8, -1, D:4)
  a +0 club
(16, -15, D:4)
  a +0 war axe
  3 poisoned darts
  an orc corpse
(23, -13, D:4)
  a +0 robe
(23, 2, D:4)
  a javelin
(23, 7, D:4)
  a scroll of teleportation
(25, -1, D:4)
  a scroll of identify
(25, 5, D:4)
  7 stones