$MeshFormat
4.1 0 8
$EndMeshFormat
$Entities
4 4 1 0
1 0 0 0 0 
2 10 0 0 0 
3 10 10 0 0 
4 0 10 0 0 
1 0 0 0 10 0 0 1 1 2 1 -2 
2 10 0 0 10 10 0 1 2 2 2 -3 
3 0 10 0 10 10 0 1 3 2 3 -4 
4 0 0 0 0 10 0 1 4 2 4 -1 
1 0 0 0 10 10 0 1 2 4 4 1 2 3 
$EndEntities
$Nodes
9 25 1 25
0 1 0 1
1
0 0 0
0 2 0 1
2
10 0 0
0 3 0 1
3
10 10 0
0 4 0 1
4
0 10 0
1 1 0 3
5
6
7
2.5 0 0
5 0 0
7.5 0 0
1 2 0 3
8
9
10
10 2.5 0
10 5 0
10 7.5 0
1 3 0 3
11
12
13
7.5 10 0
5 10 0
2.5 10 0
1 4 0 3
14
15
16
0 7.5 0
0 5 0
0 2.5 0
2 1 0 9
17
18
19
20
21
22
23
24
25
2.5 7.5 0
5 7.5 0
7.5 7.5 0
2.5 5 0
5 5 0
7.5 5 0
2.5 2.5 0
5 2.5 0
7.5 2.5 0
$EndNodes
$Elements
5 32 1 32
1 1 1 4
1 1 5 
2 5 6 
3 6 7 
4 7 2 
1 2 1 4
5 2 8 
6 8 9 
7 9 10 
8 10 3 
1 3 1 4
9 3 11 
10 11 12 
11 12 13 
12 13 4 
1 4 1 4
13 4 14 
14 14 15 
15 15 16 
16 16 1 
2 1 3 16
17 4 14 17 13 
18 13 17 18 12 
19 12 18 19 11 
20 11 19 10 3 
21 14 15 20 17 
22 17 20 21 18 
23 18 21 22 19 
24 19 22 9 10 
25 15 16 23 20 
26 20 23 24 21 
27 21 24 25 22 
28 22 25 8 9 
29 16 1 5 23 
30 23 5 6 24 
31 24 6 7 25 
32 25 7 2 8 
$EndElements
$Periodic
5
0 1 4
0
1
1 4
0 2 3
0
1
2 3
0 3 4
0
1
3 4
1 1 3
0
5
1 4
2 3
5 13
6 12
7 11
1 2 4
0
5
2 1
3 4
8 16
9 15
10 14
$EndPeriodic