Sergey

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 scale mail

Level 3 of the Dungeon
(0, 0, D:3)
  a bat corpse
(4, -10, D:3)
  a +0 club
(4, 5, D:3)
  a +0 whip
  a +0 ring mail
(5, 10, D:3)
  19 stones
(7, 1, D:3)
  5 gold pieces
(9, -17, D:3)
  an adder corpse

Level 4 of the Dungeon
(0, 0, D:4)
  a potion of magic
(3, 7, D:4)
  a +0 club (still there?)
  a +4 chain mail (still there?)
(4, 6, D:4)
  a +0 club
(11, 10, D:4)
  17 stones
(13, 8, D:4)
  7 gold pieces
(15, -6, D:4)
  7 gold pieces