Spoiler
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the hall above is
sxxxxxxxxxxxxxxxxxxxxxxxxxxxs
and this one is more

xxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxx
sxxxxxxxxxxxxxxxxxxxxxxxxxxxs

where s is a stairwell and
north is <----this direction


Axile finds that one of the walls (at about the center) facing the main chamber is illusory, actually there is a 10' wide archway leading to the main chamber from the bedroom.