Solution to Trevor Tom's City of Alzan, from The ZX81 Pocket Book
by Richard Bos, September 2014

WEST
IN
TAKE TORCH
EAST
EAST
SOUTH
LIFT COVER
DOWN
LIGHT TORCH
LOOK
TAKE NAILS
SOUTH
TAKE BARCLAYCARD
NORTH
UP
NORTH
WEST
IN
BUY HAMMER
OUT
NORTH
TAKE WOOD
UP
WEST
NORTH
BUILD LADDER
UP