Regions Map
Coordinate
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17
18
0
17
18
1
17
18
2
17
18
3
17
18
4
17
18
5
17
18
6
17
18
7
17
18
8
17
18
9
17
19
0
17
19
1
17
19
2
17
19
3
17
19
4
17
19
5
17
19
6
17
19
7
17
19
8
17
19
9
17
20
0
17
20
1
17
20
2
17
20
3
17
20
4
17
20
5
17
20
6
17
20
7
17
20
8
17
20
9
17
21
0
20879
20878
20877
20876
20875
20874
20873
20872
20871
20870
20869
20868
20867
20866
20865
20864
= Free Coordinate
= Occupied(Single Region)
= Occupied (Var Region)
= Center of the grid