18 Column fluid grid

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
4
4
4
4
2
5
5
5
3
6
6
6
7
7
4
8
8
2
9
9
10
8
11
7
12
6
13
5
14
4
15
3
16
2
17
1
18