Sergey

Level 1 of the Dungeon
(0, 0, D:1)
  a rat corpse
(2, 40, D:1)
  a jackal corpse (skeletalised by now)
(6, 9, D:1)
  a rat corpse
(13, -16, D:1)
  a +0 ring mail
(17, -9, D:1)
  an amulet of guardian spirit

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
(1, -1, D:2)
  an adder corpse
(5, -5, D:2)
  a bat corpse
(5, -3, D:2)
  a quokka corpse
(16, 19, D:2)
  10 gold pieces
(23, 23, D:2)
  a +0 whip (still there?)
  4 stones (still there?)
  a kobold corpse (still there?)
(27, 4, D:2)
  4 gold pieces
(40, 13, D:2)
  a rat corpse

Level 3 of the Dungeon
(0, 0, D:3)
  a scroll of identify