___   ___   ___   ___   ___   ___
    |14 |_|15 | | 9 |_| 8 |_| 5 |_| 2 |
    |___| |___| |___| |___| |___| |___|
     _|_   ___   ___   _|_   _|_   _|_
    |13 |_|12 |_|11 |_| 7 |_| 4 |_| 1 |
    |___| |___| |___| |___| |___| |___|
     _|_   _|_   ___   _|_   _|_   _|_
    |16 | |17 |_|18 | |10 |_| 6 |_| 3 |
    |___| |___| |___| |___| |___| |___|
            |
       ___  |
      |21 | V
      |___| |
 ___   _|_ /
|20 |_|19 |
|___| |___|

 1 A snowy valley (n,s,w,e)
 2 A valley below the timber line (s,w)
 3 A snow-covered valley (n,w)
 4 On the side of a snowy mountain (n,e,s,w)
 5 A snow-covered valley (e,s,w)
 6 Some snowy hills (n,e,w)
 7 A barren, snowy mountain (n,e,s,w)
 8 Some snowy hills (e,s,w)
 9 A barren, snowy mountain (e)
10 A barren, snow-covered mountain (n,e)
11 Inside a dark cave (e,w)
12 A gathering area (w,e,s)
13 Deep inside a dark cave (n,e,s)
14 An office (s,e)
15 A private chamber (w)
16 An abandoned corner of the cave (n)
17 An equipment room (n,e,d)
18 A tidy sleeping area (w)
19 An underground tunnel inside a cave (w,n,u)
20 A cold, dark room inside a cave (e)
21 An unfinished room (s)