Ratboiler

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 leather armour
(3, 6, D:1)
  a +0 short sword
  2 stones
(-9, 11, D:1)
  12 arrows
(15, 12, D:1)
  a +0 ring mail
(7, 17, D:1)
  a +0 club
(-28, 34, D:1)
  16 arrows
(-6, 35, D:1)
  a +0 dagger
  a stone
(-26, 37, D:1)
  a cursed +0 ring mail
(-5, 42, D:1)
  a +0 club
(-3, 42, D:1)
  a +0 dagger
(-11, 44, D:1)
  a +0 robe

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 whip
  a +0 chain mail
(11, 12, D:2)
  a +0 whip
(-32, 13, D:2)
  24 arrows
(-20, 22, D:2)
  a +0 ring mail
(-11, 40, D:2)
  4 stones
(-22, 43, D:2)
  17 arrows
(13, 51, D:2)
  a +0 robe
(-18, 58, D:2)
  14 stones

Level 3 of the Dungeon
(19, 3, D:3)
  a +0 dagger
(0, 6, D:3)
  a hobgoblin skeleton
(-14, 7, D:3)
  a jackal skeleton
(20, 10, D:3)
  a +0 ring mail
(27, 10, D:3)
  2 potions of agility
(-7, 14, D:3)
  a quokka corpse
(20, 14, D:3)
  a +0 club
(23, 14, D:3)
  a goblin corpse (skeletalised by now)
(19, 16, D:3)
  a +0 chain mail
(13, 21, D:3)
  a +0 war axe
(3, 25, D:3)
  2 tomahawks
(3, 26, D:3)
  a tomahawk
(-2, 27, D:3)
  a +0 dagger
  a +0 ring mail
  an orc corpse
(1, 27, D:3)
  a +0 mace
  a +0 leather armour
(2, 29, D:3)
  a tomahawk
(2, 30, D:3)
  a +0 dagger
(18, 30, D:3)
  a cursed -1 dagger

Level 4 of the Dungeon
(0, 0, D:4)
  a book of Annihilations {highlevel}
(9, 3, D:4)
  a +0 ring mail
(-21, 4, D:4)
  a +0 spear
(-17, 7, D:4)
  a giant cockroach corpse
(-3, 11, D:4)
  a bat corpse
(-9, 12, D:4)
  a +0 ring mail
(-2, 41, D:4)
  a +4 hand axe
  (unseen)