Thirteenth

Level 1 of the Dungeon
(4, 15, D:1)
  a +0 short sword
(7, 20, D:1)
  a ball python corpse (skeletalised by now)
(8, 19, D:1)
  4 curare-tipped needles
(10, 13, D:1)
  a +0 club
  (unseen)
(10, 24, D:1)
  a bat corpse (skeletalised by now)
(12, 8, D:1)
  15 bolts
(17, 14, D:1)
  a cursed -2 dagger
(18, 13, D:1)
  6 sling bullets
(18, 15, D:1)
  a stone
(19, 15, D:1)
  a stone
  a cursed +0 robe
(20, 18, D:1)
  2 stones
(34, 26, D:1)
  18 stones
(38, 39, D:1)
  a +0 flail
  (unseen)
(40, 18, D:1)
  26 sling bullets

Level 2 of the Dungeon
(0, 0, D:2)
  28 arrows
(2, -3, D:2)
  a +2 ring of slaying
(4, -5, D:2)
  a potion of resistance
(6, -5, D:2)
  a +0 leather armour
(8, -6, D:2)
  25 stones
(9, 0, D:2)
  a leopard gecko corpse
(19, 5, D:2)
  23 arrows
(31, 5, D:2)
  a +0 whip
  a kobold corpse
(32, 0, D:2)
  a stone
(33, -1, D:2)
  a frilled lizard corpse (still there?)
  a hobgoblin corpse (still there?)
(33, 1, D:2)
  13 stones