lasso

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
  2 stones
(5, -19, D:1)
  a quokka skeleton
(13, -19, D:1)
  a bat corpse (skeletalised by now)
(15, 22, D:1)
  a +0 dagger
(16, -11, D:1)
  a +0 mace
(21, -27, D:1)
  a +0 club
(27, -29, D:1)
  a bat corpse (skeletalised by now)
(29, -15, D:1)
  a +0 short sword
  a stone
  a kobold corpse (skeletalised by now)
(32, -20, D:1)
  a +0 whip
(32, -15, D:1)
  a +0 dagger
(33, 7, D:1)
  4 poisoned darts
(34, 1, D:1)
  a frilled lizard corpse (skeletalised by now)
(35, 3, D:1)
  a +0 dagger
  a +0 dagger
  a goblin corpse (skeletalised by now)
  a goblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a hobgoblin corpse (skeletalised by now)
(1, -5, D:2)
  a +0 whip
(1, 1, D:2)
  a jackal corpse (skeletalised by now)
(2, -9, D:2)
  a +0 dagger
(2, 0, D:2)
  a quokka corpse (skeletalised by now)
(2, 1, D:2)
  a hobgoblin corpse (skeletalised by now)
(6, -9, D:2)
  a +0 sling
  a +0 dagger
  a goblin skeleton
(6, 15, D:2)
  a +0 dagger
(15, -17, D:2)
  a +0 mace
(16, 11, D:2)
  a +0 club
  a goblin skeleton
(16, 12, D:2)
  an adder skeleton
(24, 11, D:2)
  8 stones
(36, -17, D:2)
  a +0 robe
(45, 20, D:2)
  a jackal corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 sling
(3, 0, D:3)
  a +0 hand axe
(10, 16, D:3)
  a +0 helmet
(12, -8, D:3)
  a +0 leather armour
(14, 7, D:3)
  5 stones
(15, 12, D:3)
  a bat skeleton
(23, -9, D:3)
  a rat skeleton
(25, -4, D:3)
  a +0 ring mail
(30, -12, D:3)
  6 stones
(31, 12, D:3)
  the felid corpse of lasso (skeletalised by now)
(32, 14, D:3)
  a +0 club
  a +0 club
(33, 12, D:3)
  a +0 spear of venom
  a gnoll corpse (skeletalised by now)
(38, -16, D:3)
  9 stones
(40, 0, D:3)
  a stone
  a +0 dagger
(45, 13, D:3)
  a +0 robe

Level 4 of the Dungeon
(0, 0, D:4)
  a river rat corpse (skeletalised by now)
(6, -6, D:4)
  a rat corpse (skeletalised by now)
(7, -14, D:4)
  4 stones
(7, -10, D:4)
  a rat corpse (skeletalised by now)
(7, -8, D:4)
  a rat corpse (skeletalised by now)
(7, -6, D:4)
  9 gold pieces

a sewer
(0, 0, Sewer)
  a frilled lizard corpse (skeletalised by now)
(0, 3, Sewer)
  the felid corpse of lasso (skeletalised by now)
(1, 0, Sewer)
  a ball python corpse (skeletalised by now)
(5, -1, Sewer)
  a ball python corpse
(8, 7, Sewer)
  a potion of cancellation
(8, 8, Sewer)
  a +0 ring mail
(8, 9, Sewer)
  13 gold pieces
(9, 8, Sewer)
  a sack of spiders
(9, 9, Sewer)
  a scroll of amnesia
(9, 10, Sewer)
  a scroll of teleportation
(10, 9, Sewer)
  6 gold pieces
(21, 6, Sewer)
  a ball python corpse (skeletalised by now)
(22, 6, Sewer)
  a ball python corpse (skeletalised by now)