confidenceinterval Level 1 of the Dungeon (0, 0, D:1) 22 arrows (7, 20, D:1) 22 stones (9, 29, D:1) a goblin corpse (12, 19, D:1) a frilled lizard skeleton (12, 36, D:1) a scroll of enchant armour (16, 36, D:1) a rat corpse (18, 38, D:1) a potion of attraction (20, 37, D:1) a scroll of fear (23, 15, D:1) 21 stones (24, 36, D:1) a +0 spear