Is it a restaurant?
Yes, it is a restaurant.
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3     3  to the right of   12
4     3   to the left of    5
5     3   to the left of   15
6     4   to the left of    0
7     5  to the right of   12
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10    5   to the left of   15
11   11   to the left of   16
12   12   to the left of    5
13   12   to the left of    3
14   14     hanging from    7
15   14   to the left of   16
16   15  to the right of    3
17   15   to the left of    2
18   15  to the right of    5
19   16     hanging from    7
20   16  to the right of   11
21   16  to the right of   14