Gridlocked

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(4, 0, D:1)
  a +0 scale mail
(12, 3, D:1)
  a +0 whip
  a stone
(13, -2, D:1)
  a stone
(14, -14, D:1)
  a cursed -3 club
(14, -13, D:1)
  a +0 dagger
(14, 11, D:1)
  a +2 dagger of freezing
(15, -1, D:1)
  a +0 club
(24, 25, D:1)
  a +0 dagger
(25, 17, D:1)
  a +2 leather armour of cold resistance
(27, 20, D:1)
  a +0 short sword
(30, -18, D:1)
  a +0 club
(41, 18, D:1)
  a +0 short sword
(47, 24, D:1)
  13 stones
(58, 6, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  21 arrows
(11, 31, D:2)
  a +0 club
(14, -14, D:2)
  a +0 club
(16, -2, D:2)
  a +0 dagger
(16, 20, D:2)
  a +0 club
(17, 34, D:2)
  a +0 hunting sling
(27, -7, D:2)
  19 sling bullets
(27, 13, D:2)
  21 sling bullets
(28, -7, D:2)
  a +0 club
(43, -22, D:2)
  a stone
(43, -14, D:2)
  a stone
(47, -18, D:2)
  a stone
(49, -6, D:2)
  a +0 dagger
(50, -26, D:2)
  a +0 ring mail
(62, -6, D:2)
  a +2 vampiric short sword

Level 3 of the Dungeon
(0, 0, D:3)
  a cursed +0 club
(13, 8, D:3)
  a +0 centaur barding
(16, -25, D:3)
  24 stones
(17, -22, D:3)
  an uncursed ring of protection from magic
(19, -26, D:3)
  a scroll of blinking