Sergey

Level 1 of the Dungeon
(0, 0, D:1)
  9 gold pieces
(10, -1, D:1)
  9 gold pieces

Level 2 of the Dungeon
(0, 0, D:2)
  22 sling bullets
(10, 1, D:2)
  a worm corpse
(15, -4, D:2)
  10 gold pieces
(19, -4, D:2)
  a +0 club
  a scroll of identify
(20, -3, D:2)
  a +0 club
(20, 2, D:2)
  6 gold pieces
(32, 5, D:2)
  a ball python corpse

Level 3 of the Dungeon
(0, 0, D:3)
  3 gold pieces

Level 4 of the Dungeon
(0, 0, D:4)
  29 stones
(2, -11, D:4)
  a ball python corpse
(7, -18, D:4)
  32 stones
(11, -18, D:4)
  a ring of ice
(11, -17, D:4)
  a potion of heal wounds
(16, -26, D:4)
  a +0 leather armour
(17, -26, D:4)
  7 gold pieces