ABBCCCDDDD

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

Level 3 of the Dungeon
(0, 0, D:3)
  19 arrows

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 hand axe
(14, -1, D:4)
  a potion of cancellation