Gridlocked

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(1, -14, D:1)
  24 stones
(3, 6, D:1)
  a +0 club
(11, -3, D:1)
  12 sling bullets
(13, 16, D:1)
  a +0 whip
(14, 29, D:1)
  a +0 leather armour
  a +0 club
(16, -17, D:1)
  14 sling bullets
(16, 0, D:1)
  a +0 scale mail
(23, -16, D:1)
  a +0 club
(23, 14, D:1)
  a +0 hand axe
(27, -20, D:1)
  a +0 leather armour
(33, 31, D:1)
  15 poisoned needles
(39, 18, D:1)
  a +0 club
(40, 11, D:1)
  a +0 hunting sling
(45, -15, D:1)
  a +0 club
(55, -11, D:1)
  a +0 robe
(62, 4, D:1)
  a +0 robe

Level 2 of the Dungeon
(0, 0, D:2)
  22 stones
(1, -9, D:2)
  a +0 hunting sling
  26 stones
(2, -20, D:2)
  19 arrows
(2, -10, D:2)
  a +0 ring mail
  a stone
(3, -11, D:2)
  a +0 short sword
(16, 13, D:2)
  a stone
(18, -21, D:2)
  a cursed -3 hunting sling
(23, 4, D:2)
  a +0 leather armour
(29, -30, D:2)
  15 stones
(30, -22, D:2)
  15 bolts
(36, -31, D:2)
  10 gold pieces
(37, -23, D:2)
  a stone
(37, -16, D:2)
  a +0 club
  2 stones
(46, -10, D:2)
  11 sling bullets

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 robe
(4, -7, D:3)
  11 poisoned needles
(5, 12, D:3)
  a goblin corpse (skeletalised by now)
(7, 3, D:3)
  a +0 short sword
  a +0 ring mail
  a +0 club
  a cursed -3 mace
  a +0 mace
  a +0 whip
(11, 11, D:3)
  a +0 club
(13, -12, D:3)
  an adder corpse
(13, 10, D:3)
  a cursed +0 halberd
(13, 12, D:3)
  a +0 dagger
  a +0 ring mail
(14, -12, D:3)
  a stone
(16, -14, D:3)
  a tomahawk of returning
(16, 24, D:3)
  a cursed -2 whip
(17, -17, D:3)
  13 poisoned needles
(17, -15, D:3)
  a +1 antimagic dagger
  (unseen)
(17, 12, D:3)
  a +0 spear
(18, 13, D:3)
  a cursed -2 spear
(25, 21, D:3)
  a +0 flail
(32, 22, D:3)
  27 stones
(40, -4, D:3)
  a cursed -1 hunting sling
  17 stones
  a goblin skeleton
(40, -2, D:3)
  a stone
(40, 0, D:3)
  a stone
(40, 1, D:3)
  a stone
(40, 2, D:3)
  a stone
  a +0 helmet
(40, 3, D:3)
  a stone
(45, 3, D:3)
  a bat skeleton
(45, 4, D:3)
  a +0 rapier
(48, 20, D:3)
  a +2 robe of resistance